london 7 instruction manual london 8 - bernina€¦ · consult a qualified electrician if in doubt...

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Instruction Manual London 7 8 London

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Page 1: London 7 Instruction Manual London 8 - BERNINA€¦ · Consult a qualified electrician if in doubt as how to connect the machine to the power source. Unplug the power cord when the

Instruction ManualLondon 7

8London

Page 2: London 7 Instruction Manual London 8 - BERNINA€¦ · Consult a qualified electrician if in doubt as how to connect the machine to the power source. Unplug the power cord when the

When using an electrical appliance, basic safety precautions should always be followed,including the following:

Read all instructions before using this sewing machine. Keep the instruction at a suitable placeclose to the machine, and hand it over if you give the machine to a third party.

1. An appliance should never be left unattended when plugged in.

2. Always unplug this appliance from the electric outlet immediately after using and beforecleaning.

1. This appliance is not intended for use by persons (including children) with reduced physical,sensory or mental capabilities, or lack of experience and knowledge, unless they have beengiven supervision or instruction concerning use of the appliance by a person responsible fortheir safety.

2. Do not allow to be used as a toy. Close attention is necessary when this appliance is usedby or near children and infirm persons.

3. Use this appliance only for its intended use as described in this manual. Use onlyattachments recommended by the manufacturer as contained in this manual.

4. Children should be supervised to ensure that they do not play with the appliance.

5. Never operate this appliance if it has a damaged cord or plug, if it is not working properly, ifit has been dropped or damaged, or dropped into water. Return the appliance to the nearestauthorized dealer or service center for examination, repair, electrical or mechanicaladjustment.

6. Never operate the appliance with any air openings blocked. Keep ventilation openings of thesewing machine and foot controller free from accumulation of lint, dust, and loose cloth.

7. Keep fingers away from all moving parts. Special care is required around the sewingmachine needle.

8. Always use the proper needle plate. The wrong plate can cause the needle to break.

9. Do not use bent needles.

10. Do not pull or push fabric while stitching. It may deflect the needle causing it to break.

11. Switch the sewing machine off ("O") when making any adjustments in the needle area, suchas threading needle, changing needle, threading bobbin, or changing presser foot, and thelike.

12. Always unplug sewing machine from the electrical outlet when removing covers, lubricating,or when making any other user servicing adjustments mentioned in the instruction manual(pull power plug).

13. Never drop or insert any object into any opening.

14. Do not use outdoors.

15. Do not operate where aerosol spray products are being used or where oxygen is beingadministered.

16. To disconnect, turn all controls to the off ("O") position, then remove plug from outlet.

DANGER

WARNING

To reduce the risk of electric shock:

To reduce the risk of burns, fire, electric shock, or injury to persons:

Safety Instructions

IMPORTANT SAFETY INSTRUCTIONS

1

Page 3: London 7 Instruction Manual London 8 - BERNINA€¦ · Consult a qualified electrician if in doubt as how to connect the machine to the power source. Unplug the power cord when the

Safety Instructions

SERVICING OF DOUBLE-INSULATED PRODUCTS

SAVE THESE INSTRUCTIONS

In a double-insulated product, two systems of insulation are provided instead of grounding. Nogrounding means is provided on a double-insulated product nor should a means for groundingbe added to the product. Servicing a double-insulated product requires extreme care andknowledge of the system and should only be done by qualified service personnel. Replacementparts for a double-insulated product must be identical to those parts in the product. A doubleinsulated product is marked with the words "DOUBLE INSULATION" or "DOUBLE INSULATED".

The symbol may also be marked on the product.

This sewing machine is intended for household use only.

BERNINA is committed to the protection of the environment. We strive to minimize theenvironmental impact of our products by continuously improving product design andour technology of manufacturing.

Do not dispose of electrical appliances as unsorted municipal waste, use separatecollection facilities.

Contact your local government for information regarding the collection systemsavailable.

If electrical appliances are disposed of in landfills or dumps, hazardous substancescan leak into the groundwater and get into the food chain, damaging your health andwell-being.

When replacing old appliances with new ones, the retailer is legally obligated to takeback your old appliance for disposal at least for free of charge.

Do not view directly with optical instrumentsClass 1M LED product

ENVIRONMENTAL PROTECTION

LED RADIATION

17. Do not unplug by pulling on cord. To unplug, grasp the plug, not the cord.

18. If the supply cord fixed with foot controller is damaged, it must be replaced by themanufacturer or its service agent or a similar qualified person in order to avoid a hazard.

19. Never place anything on the foot control.

20. This sewing machine is provided with double insulation (except U.S.A / Canada). Use onlyidentical replacement parts. See instructions for Servicing of double-insulated products.

2

Page 4: London 7 Instruction Manual London 8 - BERNINA€¦ · Consult a qualified electrician if in doubt as how to connect the machine to the power source. Unplug the power cord when the

Attention:

All rights reserved

This sewing machine is intended for household use only. If used intensively or commercially,regular cleaning and especially attentive care is required.Signs of wear and tear owing to intensive or commercial use are not covered automatically,even if they occur within the warranty period. The decision on how to deal with any such casesrests with the local authorised servicing staff.

For technical and product improvement reasons, the sewing computer's features, parts andaccessory are subject to unannounced changes and alterations at any time. The accessoryincluded can differ from country to country.

3Safety Instructions

Page 5: London 7 Instruction Manual London 8 - BERNINA€¦ · Consult a qualified electrician if in doubt as how to connect the machine to the power source. Unplug the power cord when the

4 Contents

Safety Instructions 1

Contents 4

Machine Overview 5

Machine Setup 8

Important Sewing Information 21

Display Explanation &Operating Instructions 24

Stitches Overview 32

Detail of the Machine 5

Accessories - model London 7 6

Accessories - model London 8 7

Connecting the Machine 8

Foot Control 8

Sewing Table 9

Push-Push Top cover 10

Stitch selector wheel 10

Winding the Bobbin 11

Inserting the Bobbin 13

Threading the Upper Thread 14

Needle Threader 16

Replacing the Needle 17

Thread Cutter 17

Thread Tension 18

Adjusting Presser Foot Pressure 18

Changing the Presser Foot 19

Two-Step Presser Foot 20

To Raise or Drop the Feed Dog 20

Presser Foot Application Chart-model London 7 22

Presser Foot Application Chart-model London 8 23

24

Information on the LED Display 25

Function Buttons 28

General Operating Principles 30

Needle, Fabric, Thread Selection Guide 21

Buttons Explanation - model London 8

Basic Sewing Procedures 35

Special Functions 62

Maintenance 79

Trouble Shooting 80

Appendix 82

Useful Skills 35

Straight Stitches and Needle Position 37

Zigzag Stitches 37

Stretch Stitch 38

Overcasting Stitches 39

Blind Hem 40

Button Sewing 41

Buttonhole Stitching 42

Eyelet Stitch 45

Darning Stitch 46

Zipper Insertion 48

Invisible zipper insertion 50

Narrow Hemming 51

Cording 52

Satin Stitch Sewing 53

Quilting 54

Fagoting 56

Scallop Stitch 56

Gathering 57

Smocking 58

Free Motion Darning,Embroidery and Monogramming 59

Walking Foot 61

Mirror Stitch Pattern - model London 8 62

Twin Needle Sewing - model London 8 63

Memory - model London 8 65

Warning Functions 78

Cleaning 79

Replacing the LED Lamp 79

Trouble Shooting Guide 80

Flow Chart Normal Mode 82

Flow Chart Memory Mode 83

Page 6: London 7 Instruction Manual London 8 - BERNINA€¦ · Consult a qualified electrician if in doubt as how to connect the machine to the power source. Unplug the power cord when the

1

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3

4

5

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789

10

11

12

13

14

15

16

17

18

19

20

21

22

Detail of the Machine

1. Spool pin

2. Thread tension dial

3. Thread guide

4. Presser foot pressure screw

5. Slide speed

6. Start/stop button

7. Auto-lock button

8. Needle up/down button

9. Reverse button

10. Thread cutter

11. Needle threader

12. Needle plate cover

13. Sewing table and accessorybox

14. Top cover

15. Hole for second spool pin

16. Bobbin winder

17. Bobbin stopper

18. Bobbin winder pre-tension

19. Pattern group selection button

20. Stitch length button

21. Stitch width button

22. Function button (modelLondon 8)

23. Memory button (modelLondon 8)

24. Handwheel

25. Selector wheel

26. Set/disp button

27. Power switch

28. Mains plug socket

29. Foot controller socket

30. Handle

31. One step buttonhole lever

32. Presser foot lever

33. Presser foot

34. Drop feed lever

24

25

26

27

28

30

31

32

33

23

29

34

Machine Overview 5

Page 7: London 7 Instruction Manual London 8 - BERNINA€¦ · Consult a qualified electrician if in doubt as how to connect the machine to the power source. Unplug the power cord when the

Accessories - model London 7

1. All purpose foot (T)

2. Zipper foot (I)

3. Button sewing foot

4. Buttonhole foot (D)

5. Satin stitch foot (A)

6. Overcasting foot (E)

7. Blind hem foot (F)

8. Spool holder (Large)

9. Spool holder (Small)

10. Bobbin (3x)

11. Spool pin felt

12. Second spool pin

13. Pack of needles

14.

15. Brush/ Seam ripper

16. Screwdriver

17. L-Screwdriver

18. Dust cover

19. S (2x)

20. Darning/ Embroideryfoot

21. Invisible Zipper foot

22. Hemmer foot (K)

23. Cording foot (M)

24. Gathering foot

25. 1/4" Quilting foot

26. Twin needle

27. Walking foot

Edge/quilting guide

pool net

Standard

Optional (to be purchased individually)

Machine Overview6

5

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K

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Page 8: London 7 Instruction Manual London 8 - BERNINA€¦ · Consult a qualified electrician if in doubt as how to connect the machine to the power source. Unplug the power cord when the

1. All purpose foot (T)

2. Zipper foot (I)

3. Button sewing foot

4. Buttonhole foot (D)

5. Satin stitch foot (A)

6. Overcasting foot (E)

7. Darning/ Embroideryfoot

8. Blind hem foot (F)

9. Spool holder (Large)

10. Spool holder (Small)

11. Bobbin (3x)

12. Spool pin felt

13. Second spool pin

14. Pack of needles

15. Edge/quilting guide

16. Brush/ Seam ripper

17. L-Screwdriver

18. Screwdriver

19. Dust cover

20. S (2x)

21. Invisible Zipper foot

22. Hemmer foot (K)

23. Cording foot (M)

24. Gathering foot

25. 1/4" Quilting foot

26. Twin needle

27. Walking foot

pool net

Accessories - model London 8

1 2 3 4

6

T I

EA

Standard

75

F

98

1110 12 13 14

15 16

Optional (to be purchased individually)

K M

21

25

17 18

22 23

D

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502020.76.57

19

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7Machine Overview

502020.79.37

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24

26

Page 9: London 7 Instruction Manual London 8 - BERNINA€¦ · Consult a qualified electrician if in doubt as how to connect the machine to the power source. Unplug the power cord when the

Before connecting the power supply, makesure that the voltage and frequency shown

Place the machine on a stable table.

1. Connect the power line cord to themachine by inserting the 2-hole plug intothe

2. Connect the power line plug to the walloutlet.

3. Turn on the power switch.

4. The sewing lamp will light up when theswitch is turned on.

on the rating plate is conforming with yourmains power.

mains plug socket.

With the sewing machine turned off, insertthe foot control plug into its connector on thesewing machine.

Turn on the sewing machine, and thenslowly depress the foot control to startsewing. Release the foot control to stop thesewing machine.

Caution:Always make sure that the machine isunplugged from power source and the mainswitch is on "O". when the machine is not inuse and before inserting or removing parts.

Attention:

Consult a qualified electrician if in doubt ashow to connect the machine to the powersource. Unplug the power cord when themachine is not in use.

Use only foot controller type C-9000 withsewing machine model London 7 andLondon 8.

Polarized plug information

This appliance has a polarized plug (oneblade wider than the other), to reduce therisk of electrical shock; this plug will fit in apolarized outlet only one way. If the plugdoes not fit fully in the outlet, reverse theplug. If it still does not fit, contact a qualifiedelectrician to install the proper outlet. Do notmodify the plug in any way.

Connecting the Machine

Foot Control

Machine Setup8

Page 10: London 7 Instruction Manual London 8 - BERNINA€¦ · Consult a qualified electrician if in doubt as how to connect the machine to the power source. Unplug the power cord when the

Keep the snap-in sewing table horizontal,and pull it in the direction of the arrow.

The inside of the snap-in sewing table isused as an accessory box.

To open, tilt the cover towards you.

Sewing Table

Machine Setup 9

Page 11: London 7 Instruction Manual London 8 - BERNINA€¦ · Consult a qualified electrician if in doubt as how to connect the machine to the power source. Unplug the power cord when the

Machine Setup10

Push-Push Top cover

Stitch selector wheel

Press with your finger on the symbol " "and the top cover jumps up.

Touch with your finger at the outer rim of thestitch selector wheel and scroll forward /backward.

Fold up the top cover.

To close the top cover, fold down the topcover and press again on the symbol " ".

Page 12: London 7 Instruction Manual London 8 - BERNINA€¦ · Consult a qualified electrician if in doubt as how to connect the machine to the power source. Unplug the power cord when the

1. Place the thread and spool holder onto the spool pin.

For smaller spools of thread, place spool holder with thesmall side next to the spool or use the small spool holder.

2. Snap the thread into the upper thread guide.

3. Wind the thread clockwise around the bobbin winder tensiondiscs.

4. Place the thread end through one of the inner holes in thebobbin as illustrated and place empty bobbin on the spindle.

5. Push the bobbin to right.

Winding the Bobbin

Machine Setup

2

34 � 9

1

Note:

If using special thread which winds quickly off the spool attach anet to the spool before using and use the larger spool holder.Eventually reduce the thread tension as well.

11

Page 13: London 7 Instruction Manual London 8 - BERNINA€¦ · Consult a qualified electrician if in doubt as how to connect the machine to the power source. Unplug the power cord when the

8. After the bobbin has wound a few turns stop the machineand cut the thread near the hole of the bobbin. Continuefilling the bobbin until it is full.

The motor stops automatically when the bobbin is full. Stopthe machine. Push the bobbin winder spindle to left.

9. Cut the thread and then remove the bobbin.

Note:

When the bobbin winder is placed on the right, "bobbinwinding position", the machine will not sew and the handwheelwill not turn. To start sewing, push the bobbin winder spindle tothe left "sewing position".

spindle

Note:

When the bobbin winder is pushed to the right, themachine will display the symbol " "

spindle

6. Hold the thread tail securely in one hand.

7. Press on the foot control or the Start/Stop button to startwinding the bobbin.

Machine Setup12

Page 14: London 7 Instruction Manual London 8 - BERNINA€¦ · Consult a qualified electrician if in doubt as how to connect the machine to the power source. Unplug the power cord when the

To open the bobbin cover, slide it against you.

Inserting the bobbin in the bobbin holder with the thread runningcounter clockwise direction.

Pull the thread along the arrow marking through the slit underthe finger (A) as far as the pulley (B).

To make sure that the thread is pulled into the tension spring ofthe bobbin holder, press a finger slightly onto the bobbin whilepulling. As a check you must feel a resistance in the thread feed.

Pull the thread at the arrow markings into the stitch plate threadguide from (B) to (C).

To cut off excess thread pull thread back over the cutting offblade at point (C).

To close the bobbin cover, push it to the back.

Attention:

- Turn power switch to "O" before threading or unthreading themachine.

- The thread take-up lever must be in the highest position whenthreading.

- A wrong threading in can cause damages to the machine!

Inserting the Bobbin

Machine Setup 13

Page 15: London 7 Instruction Manual London 8 - BERNINA€¦ · Consult a qualified electrician if in doubt as how to connect the machine to the power source. Unplug the power cord when the

3

2

3

1

2. Snap the thread into the upper thread guide.

5

7

6

4

Please Note:

It is important to carry out the threading correctly as by notdoing so several sewing problems could result.

Start by raising the needle to its highest point, and alsoraise the presser foot to release the tension discs.

Threading the Upper Thread

Machine Setup

1. Place the thread and spool holder onto the spool pin.

For smaller spools of thread, place spool holder with thesmall side next to the spool or use the small spool holder.

14

Page 16: London 7 Instruction Manual London 8 - BERNINA€¦ · Consult a qualified electrician if in doubt as how to connect the machine to the power source. Unplug the power cord when the

4. Then further down and around the bottom part of the take uplever cover.

5. At the top of this movement, pass the thread from right to theleft through the slotted eye of the take-up lever and thendownwards again.

3. Pull the thread forward and down. This operation pulls thethread into the thread tension.

7. Pull the end of the thread through the needle from front torear, and pull out about 10 cm of thread.

Use the face plate thread cutter to cut excess needle thread.

Use the needle threader to thread the needle (refer to nextpage for instruction).

6. Guide the thread through the wire loop.

Machine Setup 15

Page 17: London 7 Instruction Manual London 8 - BERNINA€¦ · Consult a qualified electrician if in doubt as how to connect the machine to the power source. Unplug the power cord when the

The needle threader automatically turns tothe threading position and the hook pinpasses through the needle eye.

Pull the thread to the right, guiding it to thefront of the needle

Hold the thread loosely and release the leverslowly.

The hook will turn and pass the threadthrough the needle eye forming a loop.

Pull the thread through the needle eye.

Raise the needle to its highest positionand lower the presser foot.

Lower the needle threader lever slowly anddraw the thread through the thread guide asillustrated and then to the right.

Attention:Turn power switch to the off position ("O").

Needle Threader

Machine Setup16

Page 18: London 7 Instruction Manual London 8 - BERNINA€¦ · Consult a qualified electrician if in doubt as how to connect the machine to the power source. Unplug the power cord when the

The thread cutter serves two purposes.

1. Cut the thread after threading the needle

2. Cut the thread after finishing a seam.

To cut the thread after completing your workraise the presser foot.

Remove the fabric, draw the threads to theleft side of the face cover and cut using thethread cutter.

The threads are cut at the proper length tostart the next seam.

Thread Cutter

Change the needle regularly, especially if itis showing signs of wear and causingproblems.

Insert the needle following the illustratedinstructions.

A. Loosen the needle clamp screw andtighten again after inserting the newneedle. The flat side of the shaft shouldbe towards the back.

B. Insert the needle as far up as it will go.

Needles must be in perfect condition.

Problems can occur with:

- Bent needles

- Blunt needles

- Damaged points

Attention:Turn power switch to off ("O") when carryingout the below operation!

Replacing the Needle

Machine Setup 17

A

B

Page 19: London 7 Instruction Manual London 8 - BERNINA€¦ · Consult a qualified electrician if in doubt as how to connect the machine to the power source. Unplug the power cord when the

- Basic thread tension setting: "4"

- To increase the tension, turn the dial to the next number up. Toreduce the tension, turn the dial to the next number down.

- Proper setting of tension is important to good sewing.

- For all decorative sewing you will always obtain a nicer stitchand less fabric puckering when the upper thread appears onthe bottom side of your fabric.

TightLoose

Thread tension is too loose for straight stitch sewing. Turn dialto higher number.

Thread tension is too tight for straight stitch sewing. Turn dial tolower number.

Normal thread tension for zig zag and decorative sewing.

Normal thread tension for straight stitch sewing.

Reverseside

Surface

Upper thread

Bobbin thread

Thread Tension

The presser foot pressure of the machine has been pre-set andrequires no particular readjustment according to the type offabric (light-or-heavy weight).

However, if you need to adjust the presser foot pressure, turnthe presser adjusting screw with a coin.

For sewing very thin fabric, loosen the pressure by turning thescrew counter-clockwise, and for heavy fabric, tighten byturning it clockwise.

To return to initial pressure foot setting turn the pressureadjusting screw to become flush with the face cover.

Adjusting Presser Foot Pressure

Machine Setup18

Page 20: London 7 Instruction Manual London 8 - BERNINA€¦ · Consult a qualified electrician if in doubt as how to connect the machine to the power source. Unplug the power cord when the

Turn power switch to off ("O") when carrying out any of thebelow operations!

Raise the presser foot bar (a).

Attach the presser foot holder (b) as illustrated.

Lower the presser foot holder (b) until the cut-out (c) is directlyabove the pin (d).

Press the black lever (e).

Lower the presser foot holder (b) and the presser foot (f) willengage automatically.

Raise the presser foot.

Press the black lever (e) and the foot will disengages.

Attach the guide (g) in the slot as illustrated.Adjust according to need for hems, pleats, etc.

Attention:

Attaching the presser foot holder

Attaching the presser foot

Removing the presser foot

Attaching the guideedge/quilting

edge/quilting

Changing the Presser Foot

Machine Setup 19

b

a

d

c

f

d

e

e

g

Page 21: London 7 Instruction Manual London 8 - BERNINA€¦ · Consult a qualified electrician if in doubt as how to connect the machine to the power source. Unplug the power cord when the

a

b

ab

The presser foot lever raises and lowersyour presser foot.

When sewing several layers of thick fabric,the presser foot can be raised to a secondstage by pushing the presser foot leverfurther up. This allows for easy positioningof the work.

With the sewing table detached, the dropfeed lever can be located on the back of thefree arm.

To Raise or Drop the Feed Dogs

Sliding the lever to the " " (b) will lowerthe feed dog, for example during buttonsewing or freehand embroidery.

If you wish to continue sewing normally, slidethe lever to the " " (a) in order to raisethe feed dogs.

The feed dog if you do notturn the handwheel, even if the lever is slidto the right. Make a complete turn to raisethe feed dogs.

will not rise up

Two-Step Presser Foot

Machine Setup20

Page 22: London 7 Instruction Manual London 8 - BERNINA€¦ · Consult a qualified electrician if in doubt as how to connect the machine to the power source. Unplug the power cord when the

Needle, Fabric, Thread Selection Guide

Needle size Fabrics Thread

Most threads sold are medium size andsuitable for these fabrics and needle sizes.

9-11/65-75 Lightweight fabrics-thin cottons, voile,serge, silk, muslin, Qiana, interlocks,cotton knits, tricots, jerseys, crepes,woven polyester, shirt & blouse fabrics.

Light-duty thread in cotton, nylon orpolyester.

Use polyester threads on syntheticmaterials and cotton on natural wovenfabrics for best results.

Always use the same thread on topand bottom.

12/80 Medium weight fabrics-cotton, satin,kettleclote, sailcloth, double knits,lightweight woollens.

14/90 Medium weight fabrics-cotton duck,woolen, heavier knits, terrycloth, denims.

16/100 Heavyweight fabrics-canvas, woolens,outdoor tent and quilted fabrics, denims,upholstery material (light to medium).

18/110 Heavy woollens, overcoat fabrics,upholstery fabrics, some leathersand vinyls.

Heavy duty thread, carpet thread.(Use heavy foot pressurelarge numbers.)

NEEDLE, FABRIC SELECTION

Needles Explanation Type of fabric

15 x 1/ 130/705H (SUK)

HA x 115 x 1

15 x 1/130/ 705H

130PCL/705H-LR/LL

Standard sharp needles.Sizes range thin to large. 9 (65) to 18 (110)

Leather needles. 12 (80) to 18 (110)

Full ball point needle 9 (65) to 18 (110)

Semi-ball point needle, scarfed.9 (65) to 18 (110)

Natural and synthetic woven fabrics,polyester blends. Knits-polyesters,interlocks, tricot, single and double knits.Can be used instead of 15x1 for sewingall fabrics.

Leather, vinyl, upholstery. (Leaves smallerhole than standard large needle.)

Sweater knits, Lycra, swimsuit fabric, elastic.

Natural woven fabrics-wool, cotton, silk,etc. Qiana. Not recommended for doubleknits.

Note:

- Twin needles can be purchased for utility and decorative work.

- European needles show sizes 65, 70, 80 etc. American and Japanese needles show size 9, 11, 12etc.

- Replace needle often (approximately every other garment ) and / or at first thread breakage orskipped stitches.

Important:

The thread is chosen according to use. For a perfect sewing result, thread and fabric quality play animportant role. It is recommended to use quality brands.

Care must be taken when choosing needle and thread. The correct needle size depends on theselected thread and fabric. The fabric weight and type determine the thread weight, needle size andpoint form.

Important Sewing Information 21

Page 23: London 7 Instruction Manual London 8 - BERNINA€¦ · Consult a qualified electrician if in doubt as how to connect the machine to the power source. Unplug the power cord when the

Presser Foot Application Chart - model London 7Double needle is being suggested for certain stitches for more creativity

All purpose foot (T)

Buttonhole foot (D)

Overcasting foot (E)

Blind hem foot (F)

Gathering foot *

APPLICATIONPRESSER FOOT

General sewing,Patchwork stitches,Decorative stitching,Smocking,Fagoting, etc.

PRESSER FOOT APPLICATION

Inserting zippers

Buttonhole sewing

Overcasting

Satin stitch sewing

Darning/

Embroidery foot *

DarningFree embroideryMonogramming

Button sewing

Satin stitch foot (A)

NEEDLE NEEDLE

Button sewing foot

Hemmer foot (K) *

Narrow hemming

Gathering

Quilting andpacthwork sewing

Cording foot (M) *

Invisible Zipper foot *

1/4" Quilting foot *

Insertingzippersinvisible

Blind hem stitching

Cording

Walking foot *

This foot helps toprevent unevenfeeding of verydifficult fabrics

* Available as optional accessories

Twin needle *

Important Sewing Information

Zipper foot (I)

22

Page 24: London 7 Instruction Manual London 8 - BERNINA€¦ · Consult a qualified electrician if in doubt as how to connect the machine to the power source. Unplug the power cord when the

Presser Foot Application Chart - model London 8Double needle is being suggested for certain stitches for more creativity

All purpose foot (T)

Zipper foot (I)

Buttonhole foot (D)

Overcasting foot (E)

Blind hem foot (F)

Gathering foot *

APPLICATIONPRESSER FOOT

General sewing,Patchwork stitches,Decorative stitching,Smocking,Fagoting, etc.

PRESSER FOOT APPLICATION

Inserting zippers

Buttonhole sewing

Overcasting

Satin stitch sewing

Darning/

Embroidery foot

DarningFree embroideryMonogramming

Button sewing

Satin stitch foot (A)

NEEDLE NEEDLE

Button sewing foot

Hemmer foot (K) *

Narrow hemming

Gathering

Quilting andpacthwork sewing

Cording foot (M) *

Invisible Zipper foot *

1/4" Quilting foot *

Insertingzippersinvisible

Blind hem stitching

Cording

Walking foot *

This foot helps toprevent unevenfeeding of verydifficult fabrics

* Available as optional accessories

Twin needle *

Important Sewing Information 23

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Display Explanation & Operating Instructions

1.

2.

4.

5.

6.

7.

9.

11.

12.

3.

Pattern group selection

8.

Function

10.

Reverse button

Needle up/ down button

Auto-lock button

Start/stop button

Slide speed

button

Stitch length button

Stitch width button

button (model London 8)

button

Memory button (model London 8)

Selector wheel

Set/disp

Buttons Explanation - model London 8

6

7

1

2

3

4

8

9

5

10

11

12

24

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Display Explanation & Operating Instructions

Information on the LED DisplayNormal mode display -model London 8

1.

2.

4.

5.

6.

7.

8.

9.

10.

11.

12.

Auto-lock

Reverse

3.

Stitch number

Stitch length

Stitch width

Auto-stop on pattern end

Pattern Mirrored function

Twin needle function

Alphabets group

Pattern group

Needle stop down

Machine running1

2 3

4

5

6

12

7 8 9 10

11

25

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Display Explanation & Operating Instructions

Memory mode display -model London 8

1. Stitch number

3. Stitch length

4. Stitch width

5. Memory position display

6. Memory position

7. Memory insert function

8. Memory delete/delete ALLfunction

2. Memory mode active1

2

3

4

5

6

7

8

26

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Normal mode display -model London 7

1.

2.

4.

6.

7.

8.

9.

10.

11.

Reverse

3. Auto-stop on pattern end

5.

Stitch number

Auto-lock

Stitch length mode

Stitch length

Stitch width mode

Stitch width

Needle stop down

Machine running

Pattern group

1

2 3 4 5 6

7 8 9

10 11

Note:

- To display stitch length or stitchwidth, press the correspondingbutton.

- The symbol on the left of thedisplay indicates which value isshown in the display.10

5

8

Display Explanation & Operating Instructions 27

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Function Buttons

Auto-lock button and single pattern

When the are selected,the machine will immediately sew 3 lockingstitches when the auto-lock button is pressed,then automatically stop.

The machine will display the symbol " "until the machine is stopped.

Except for the, press the auto-lock button, the machine

will sew 3 locking stitches at the end of thecurrent pattern and automatically stop.

patterns 01-05 and 24

pattern 01-05, 10, 24 and 50-60

The machine will display the symbol " "until the machine is stopped. The functionwill be cancelled if you press the button onceagain or select another pattern.

Reverse button

The machine will display the symbol " "indicates reverse sewing.

the pattern 01-05 and 24 can be

The machine

Reverse is pressed to sew in reverse.

Only sewnin reverse.

will permanently sew in reverse.Press the button again to sew forward.

If you press and release the button beforestarting to sew, the machine will permanentlysew in reverse and press the button again tosew forward.

Start/stop button

Themachine will rotate slowly at start of sewing.

Press the start /stop button to start themachine. Press again to stop it.

This way you may operate the machinewithout foot control.

When the machine is sewing or winding thebobbin, the start /stop symbol will display.

Display Explanation & Operating Instructions28

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Slide speedBy adjusting the position of the slide speedthe top speed during sewing may be limited.The position of the slider defines the sewingspeed at full stroke of the foot controller.

For slower speed: Slide toward ( )

For higher speed: Slide toward (+)

When the machine is run with the start/stopbutton the position of the slide speed definesthe actual sewing speed.

Needle up/down button

By pressing the needle up/down button theneedle will make half a stitch. Depending onthe actual needle position it will stop in theopposite position, either at the highest or thelowest position. At the same time the needlestop position after sewing is permanently set.

When the needle stops down, the needledown symbol " " will display.

Please Note

During sewing, press the needle up/downbutton, the machine will stop automatically.

Display Explanation & Operating Instructions

Set/disp button

In the Normal Mode press this button tomemorize stitch pattern number and safethe stitch length and width value.

In the function mode press this button totoggle selected function and memorize it.

In the Memory Mode press this button tomemorize a pattern or to switch display fromstitch number to memory position and back.

29

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Display Explanation & Operating Instructions

General Operating Principles

Whatever value or setting is blinking can be adjusted by the Selector Wheel.

- by pressing a button once

- by pressing Set or the button near the flashing value. Alternatively in mostfunctions pressing start/stop or the foot controller will save the changes as well

- For (Alphabet, switch from Memory Enter Mode to Memory Review/EditMode, Delete ALL) there are special keystroke combinations

- = 3 short beeps

Select stitch and sew. There are two Pattern groups available, the Pattern groupand Alphabet group (only model London 8).

Program a sequence of stitches and sew mem indicator " " on = memorymode active. (For detailed Memory Mode descriptions see from page 65)

Select function

Safe adjustments

special functions

Error Beep

Normal Mode:

Memory Mode:

Normal Mode - model London 8

Standard Display(after switching on)

Pattern Selection Alphabet selection

Memory ModeSee from page 65.

30

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Display Explanation & Operating Instructions

Setting a pattern

Note:

1. Press the pattern group selection buttononce to enter a stitch pattern selection.

2. Use selector wheel to select desired stitch.

3. Press set/disp button to memorize it.

Other parameters, i.e. stitch length andstitch width can be changed before or aftermemorizing the pattern by pressing thecorresponding button and following point 2and 3.

Setting Alphabets

1. Double click the pattern group selectionbutton to enter Alphabet selection.

2. Press pattern group selection button onceagain to start the stitch number flashing.

3. Use selector wheel to select desired stitch.

4. Press set/disp button to memorize it.

Setting an additional function

Note:

1. Select the pattern.

2. Press the function button to open thefunction program.

3. Use selector wheel to scroll to TwinNeedle or to Mirror function.

4. Press set/disp button to toggle chosenfunction.

Initially both symbols are flashing. Whenstarting to scroll only the selected function isflashing.

See Page 62 / 63 for details.

31

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01

02

03

04

05

06

07

08

09

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

3.5

0.0

3.5

5.0

5.0

5.0

3.5

3.5

2.0

5.0

5.0

5.0

7.0

5.0

6.0

3.5

5.0

4.0

4.0

5.0

5.0

3.5

5.0

3.5

7.0

7.0

6.0

7.0

7.0

7.0

0.0-7.0

0.0-7.0

0.0-7.0

0.0-7.0

2.0-7.0

3.5-7.0

2.5-7.0

3.5-7.0

1.0-6.0

2.5-7.0

2.5-7.0

3.5-7.0

2.5-7.0

2.5-7.0

2.5-7.0

2.5-7.0

2.5-7.0

2.5-7.0

2.5-7.0

2.5-7.0

3.5-7.0

2.5-7.0

2.5-7.0

0.0-7.0

2.5-7.0

2.5-7.0

3.0-7.0

2.5-7.0

2.5-7.0

2.5-7.0

2.5

2.5

2.5

2.0

1.0

2.5

1.0

1.0

2.5

0.5

2.5

2.5

2.5

2.0

1.5

1.5

2.0

2.0

1.0

2.5

2.5

2.5

2.5

2.5

0.5

0.5

1.0

0.5

0.5

0.5

0.0-4.5

0.0-4.5

1.0-3.0

0.3-4.5

0.3-4.5

1.0-3.0

0.5-4.5

0.5-4.5

1.0-3.0

0.3-1.0

1.0-3.0

1.0-3.0

1.0-3.0

1.0-3.0

1.0-4.5

0.5-4.5

1.0-4.5

1.0-3.0

1.0-3.0

1.0-3.0

1.0-3.0

1.5-3.0

1.0-3.0

1.0-3.0

0.3-1.0

0.3-1.0

1.0-3.0

0.3-1.0

0.3-1.0

0.3-1.0

T

T

T

T

T

E

F

E

T

D

T

E

A

T

T

F

T

T

T

T

E

T

A

T

A

A

A

A

A

A

Please Note:

The portion marked in colored on the chart below shows the one unit of each pattern.gray

Stitches Overview

Stitches

FunctionsPresserFoot

Stitch PatternAuto Manual Auto Manual Auto-lock

Mirror/Presser footReverse

Width (mm) Length (mm)

: Adjustments can be made.

Straight Stitch

Tripple Straight

Zig-Zag

3 Step Zig-Zag

Double Overlock

Blind Hem

Overlock

Stretch stitich

1 step BH

Tripple Zig-Zag

Stretch Overlock

Honeycomb

Universal

Bridging Stitch

Stretch Blindhem

Universal

Superstretch(Comb Stitch)

Single Overlock

Fagothing

Standard Overlock

Blanket(Quilting Applique)

Feather

Hand LookQuilting

Scallop

Trapeze

Cross Stitch

Squares

Satin Stitch

/T

/T

/T

/T

/T

/T

Twin needle(For )London 8

Memory

32

(For )London 8 (For )London 8

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FunctionsPresserFoot

Stitch PatternAuto Manual Auto Manual Auto-lock

Mirror/Presser footReverse

Width (mm) Length (mm)

Twin needle Memory

Stitches Overview

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60

7.0

7.0

7.0

7.0

7.0

7.0

6.0

5.0

6.0

6.0

7.0

7.0

7.0

7.0

7.0

7.0

5.0

7.0

7.0

7.0

7.0

5.5

5.0

6.0

5.0

5.0

7.0

7.0

6.0

7.0

2.5-7.0

2.5-7.0

2.5-7.0

4.0-7.0

4.0-7.0

4.0-7.0

4.5-7.0

3.0-7.0

5.0-7.0

5.0-7.0

3.0-7.0

4.0-7.0

5.0-7.0

4.0-7.0

2.5-7.0

2.5-7.0

2.5-7.0

3.5-7.0

3.0-7.0

3.5-7.0

3.5-7.0

3.0-7.0

2.5-5.5

3.0-7.0

2.5-5.5

2.5-5.5

5.5-7.0

5.5-7.0

3.0-7.0

5.0,6.0,7.0

0.5

0.5

0.5

0.5

0.5

0.5

1.0

2.5

1.0

1.0

2.0

2.5

2.0

3.0

0.5

0.5

2.5

2.0

2.0

2.0

2.0

0.5

0.5

0.5

0.5

0.5

0.5

0.5

1.5

-

0.3-1.0

0.3-1.0

0.3-1.0

0.3-1.0

0.3-1.0

0.3-1.0

1.0-3.0

1.5-4.5

1.0-3.0

1.0-3.0

1.0-3.0

1.5-3.0

2.0-3.0

2.5-4.5

0.3-1.0

0.3-1.0

1.5-3.0

1.5-3.0

1.5-3.0

1.0-2.0

1.0-2.0

0.3-1.0

0.3-1.0

0.3-1.0

0.3-1.0

0.3-1.0

0.3-1.0

0.3-1.0

1.0-3.0

-

A

A

A

A

A

A

A

A

A

A

T

A

A

A

A

A

T

T

A

D

D

D

D

D

D

D

D

D

D

A

: Adjustments can be made.

Eyelet Stitch

1 step BH

Satin Stitch

DecorativeSatin Stitch

Quilting Stitch( for stippling )

Decorative Stitch

Cross Stitch

Decorative Stitch

Satin Stitch

Decorative Stitch

Darning Stitch

Please Note:

The portion marked in colored on the chart below shows the one unit of each pattern.gray

33

(For )London 8 (For )London 8 (For )London 8

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Alphabets - model London 8

Stitches Overview

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Please Note:

- In normal mode all letters are sewn in the maximum height of 7mm. The user must line up theletters if a sequence of letters is sewn.

- If a sequence of letters is stored in memory, the machine will sew capital letters with a reducedheight of 5.5mm. This way all letters line up automatically.

- If only the capital letters are stored in memory, the machine will sew in the maximum height of7mm.

34

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Reverse

Reverse stitching is used to secure thethreads at the beginning and at the end of aseam.

Press the reverse button and sew 4-5stitches.

The machine will sew forward when thebutton is released.

Free armFree-arm sewing is convenient for sewingtubular areas such as pant hems and cuffs.

Basic Sewing Procedures

Useful Skills

35

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Sewing corners

1. Stop the sewing machine when you reacha corner.

2. Lower the needle into the fabric manuallyor by pressing the needle up/ down buttononce.

3. Raise the presser foot.

4. Use the needle as a pivot and turn thefabric.

5. Lower the presser foot and resumesewing.

5

1

3

22

4

Sewing on the heavy fabric

The black button on the left side of thepresser foot will lock the presser foot in ahorizontal position if you push it in beforelowering the presser foot. This ensures evenfeeding at the beginning of a seam andhelps when sewing multiple layers of fabricsuch as sewing over seams when hemmingjeans.

When you reach the point of an increasedthickness, lower the needle and raise thepresser foot. Press the toe of the foot andpush in the black button, then lower the footand continue sewing.

The black button releases automaticallyafter sewing few stitches.

You also can place another piece of fabricwith the same thickness at the back of theseam. Or support the presser foot whilefeeding by hand and sewing toward thefolded side.

Basic Sewing Procedures36

Cardboard orthick fabric

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Changing the stitch length

Press the stitch length button to enter stitchlength adjustment mode.

To shorten the stitch length, turn thecounter clockwise. For a longer stitch

length, turn the clockwise.

Generally speaking, the thicker the fabric,thread and needle, the longer the stitchshould be.

selectorwheel

selector wheel

Adjusting the stitch width

The maximum zigzag stitch width for zigzagstitching is "7.0"; however, the width can bereduced on any patterns.

tPress the stitch width button to enter stitchwidth adjustment mode, he stitch width canbe adjusted between "0.0-7.0 mm".

Adjusting the stitch length

The density of zigzag stitches increase asthe setting of stitch length approaches "0.3".

Neat zigzag stitches are usually achieved at"1.0-2.5". Closed up zigzag stitches (closetogether) are referred to as a satin stitch.4.53.02.01.00.5

7.05.03.01.00.0

4.53.02.01.00.5

0.0 2.0 3.5 5.0 7.0

Straight Stitches and Needle Position

Zigzag Stitches

Basic Sewing Procedures

Changing the needle position

These setting apply only to pattern 01-03, 24.The pre-set position is "3.5", center position.

Press the stitch width button to enter stitchwidth adjustment mode. When you turn the

counter clockwise, the needleposition will move to the left. When you turnthe clockwise, the needleposition will move to the right.

selector wheel

selector wheel

37

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It assures you of a stitch that is strong andflexible and will give with the fabric withoutbreaking.Good for easy to ravel and knit fabrics. It isgood for joining durable fabric such asdenims.

These stitches can also be used as adecorative top stitch.

Triple zigzag stretch stitch is suitable for firmfabrics like denim, poplin, duck, etc.

Straight stretch stitch is used to add triplereinforcement to stretch and hardwearingseams.

Stretch Stitch

Basic Sewing Procedures38

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Using the overcasting foot

Change the presser foot to the all purposefoot (T).

Sewing the overcasting along the edge ofthe fabric so that the needle drops over theedge of the fabric on the right side.

Using the all purpose foot

Change the presser foot to the overcastingfoot (E).

Sew the fabric with the fabric edge againstthe guide of the overcasting foot.

The overcasting foot should be used to sewwith patterns and 21 only and donot set the stitch width narrower than "3.5".It is possible that needle could hit thepresser foot and break when sewing otherpatterns and width.

Attention:

06, 08,12

Overcasting Stitches

Basic Sewing Procedures

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39

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Fold the fabric as illustrated with the reverseside uppermost.

First carry out an overcasting stitch asshown in left picture.

Place the fabric under the foot. Turn thehandwheel forwards by hand until the needleswings fully to the left. It should just piercethe fold of the fabric. If it does not, adjust thestitch width accordingly.

Adjust the guide (b) by turning the knob (a)so that the guide just rests against the fold.

Sew slowly, guiding the fabric carefully alongthe edge of the guide.

Turn over the fabric.

07 Blind hem/lingerie for firm fabrics

16 Blind hem for stretch fabrics

:

:

16mm 8mm

Reverseside

Reverseside

a

b

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Please Note:

It takes practice to sew blind hem. Alwaysmake a sewing test first.

Blind Hem

Basic Sewing Procedures

Overcastingstitch

8mm

40

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Change the presser foot to the buttonsewing foot.

Position the work under the foot. Place thebutton in the desired position, lower the foot.

Select zig zag pattern. Adjust the stitch width to"2.5-4.5" according to the distance between thetwo holes of the button.

Turn the handwheel to check that the needlegoes cleanly into the left and right holes of thebutton.

Before sewing, press the Auto-lock button tosew reinforcement stitches automatically at thebeginning and at the end of the stitch.

If a shank is required, place a darning needleon top of the button and sew.

For buttons with 4 holes, sew through thefront two holes first, push work forward andthen sew through the back two holes.

Move the drop feed control to " " to lowerthe feed dogs.

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Button Sewing

Basic Sewing Procedures

a

b

ab

41

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Mark the positions of the buttonhole on thefabric. The maximum buttonhole length is3cm (1 3/16 inch). (Total of diameter +thickness of button.)

Attach the buttonhole foot, then pull out thebutton holder plate and insert the button.

The size of the buttonhole is determined bythe button inserted in the button plate.

The thread should be passed through thehole in the presser foot, then be placedunder the foot.

Buttonhole Stitching

Please Note:

Before sewing a buttonhole on your project,practice on a scrap piece of the same typeof fabrics.

Select the buttonhole stitch.

Adjust the stitch width and the stitch length tothe desired width and density.

2.5~7.0 0.3~1.0

3.0~7.0 0.3~1.0

2.5~5.5 0.3~1.0

5.5~7.0 0.3~1.0

3.0~7.0 1.0~2.0

10: For thin or medium fabrics

52: For horizontal holes on blouses or shirtsmade from thin or medium fabrics

53: For thin or medium fabrics

54: For horizontal holes on blouses or shirtsmade from thin or medium fabrics

55: For horizontal buttonholes on thickfabrics

56: For thin or medium fabric

57: For suits or overcoats

58: For thick coats

59: For jeans or stretch fabrics with a coarseweave

Basic Sewing Procedures

D

42

Startingpoint

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Position the fabric under the presser foot sothat the centerline's mark is aligning with thecenter of the buttonhole foot.

Lower the buttonhole lever.

While lightly holding the end of upper threadand start sewing.

Please Note:

Gently feed the fabric by hand.

Before stopping, the machine will automaticallysew a reinforcement stitch after the buttonholeis sewn.

* Buttonholes are sewn from the front of the presser foot to the back, as shown.

Basic Sewing Procedures 43

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Raise the presser foot and cut thread.

To sew over same buttonhole, raise thepresser foot (will return to original position).

After sewing the buttonhole stitch, raise thebuttonhole lever until it stops.

Cut the center of the buttonhole beingcareful not to cut any stitches on either side.Use a pin as a stopper at the bar tack so youdo not cut too much.

When sewing buttonholes on stretch fabric,hook heavy thread or cord under the button-hole foot.

Attach the buttonhole foot and hook thegimp thread onto the back of the presserfoot.

Bring the two gimp thread ends to the frontof the foot and insert them into the grooves,then temporarily tie them there. Lower thepresser foot and start sewing.

Set the stitch width to match the diameter ofthe gimp thread.

Once sewing is completed, pull the gimpthread gently to remove any slack, then trimoff any excess.

Please Note:

It is suggested that you use interfacing onthe backside of the fabric.

Making a buttonhole on stretch fabrics

Basic Sewing Procedures44

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Select pattern 60 to get the eyelet stitch.Attach satin stitch foot (A).

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Press the "-" or "+" stitch width adjustment tobutton select the eyelet size.

Size of eyelet.

A. Small: 5.0mm (3/16 inch).

B. Medium: 6.0mm (15/64 inch).

C. Large: 7.0mm (1/4 inch).

Lower the needle into the fabric at thebeginning of the stitching, and then lowerthe presser foot lever.

Once sewing is completed, the machineautomatically sews reinforcement stitches,then stops.

Make a hole at the center using an eyeletpunch.

* Eyelet punch is not included with themachine.

If thin thread is used, the stitching may becoarse. If this occurs, sew the eyelet twiceone on top of the other.

Please Note:

Eyelet Stitch

A B C

Basic Sewing Procedures 45

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Select stitch pattern 50 or 51 to get thedarning stitch.

Change the presser foot to the buttonhole foot.

Pull the button holder to rear.

Set the button guide plate on buttonhole footto the desired length.

Baste the upper fabric and the under fabrictogether.

Select the needle position. Lower thepresser foot over the center of the tear.

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Darning Stitch

The size of one darn cycle is variable.

However, the maximum stitch length is2.6cm (1 inch) and the maximum stitch widthis 7mm (9/32 inch).

a. The length of sewing.

b. The width of sewing.

D

Basic Sewing Procedures

50: Simple darning stitch in thin and mediumfabrics

51: Reinforced darning stitch in heavy fabrics

Start

a

b

StopStop

a

Start b

46

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Position the fabric so that the needle is 2mm(1/16 inch) in front of the area to be darned,and then lower the presser foot lever.

When lowering the presser foot, do not push inthe front of the presser foot, otherwise thedarning will not be sewn with the correct size.

Please Note:

Pass the upper thread down through thehole in the presser foot. Pull down thebuttonhole lever .

The buttonhole lever is positioned behindthe bracket on the buttonhole foot. Gentlyhold the end of the upper thread in your lefthand, and then start sewing.

If the sewing range is too big to sew, then wesuggest you can sew several times (or crosssew) to get better sewing result.

Darning stitches are sewn from the front ofthe presser foot to the back, as shown.

Basic Sewing Procedures 47

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- Baste the zipper opening on the garment.

- Press open the seam allowance. Place thezipper face down on the seam allowancewith the teeth against the seam line. Bastethe zipper tape.

- Attach the zipper foot. Attach the right sideof the presser foot pin to the holder whensewing the left side of the zipper.

- Attach the left side of the presser foot pinto the presser foot holder when sewing theright side of the zipper.

- Stitch left side of the zipper from top tobottom.

- Stitch across the lower end and right sideof zipper. Remove the basting and press.

I

Inserting a centered zipper

Attention:Zipper foot should be used for sewing widthcenter needle position straight stitch only. It ispossible that needle could hit the presser footand break when sewing other patterns.

5mm

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Zipper Insertion

Basic Sewing Procedures

���

48

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Inserting a side zipper

- Baste the zipper opening on the garment.

- Fold back to the left seam allowance.Turn under the right seam allowance toform 3mm fold.

- Attach the zipper foot. Attach the right sideof the presser foot pin to the holder whensewing the left side of the zipper.

Attach the left side of the presser foot pinto the presser foot holder when sewing theright side of the zipper.

- Stitch the left side of zipper from bottom totop.

- Turn the fabric right side out, stitch acrossthe lower end and right side of zipper.

- Stop about 5cm (2 inches) from the top ofzipper. Remove the basting and open thezipper. Stitch the remainder of the seam.

5mm

Basic Sewing Procedures 49

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Invisible zipper insertion

This foot is used to insert invisible zippers sothat they are covered by the seam, and thushidden.

Attach the invisible zipper foot to the machine.Adjust needle center position and straightstitch. Stitch length depends from the fabric.Adjust 1,0 - 3,0 mm.

Place open zipper face - down on right side offabric as shown picture.

Place the fabric edge at the 5/8 inch markingline on the needle plate surface.

Place the zipper 1/4 inch below raw edge ofgarment.

With right-hand groove of foot over coil, stitchzipper until the foot hits the slider. Remove thegarment from the machine.

To attach the other half of the zipper, place thefabric edge on the 5/8 inch marking line on theneedle plate as shown in picture.

With the left-hand groove of foot over coil,stitch zipper until the foot hits the slider.

Close zipper. Fold the fabric that the zipper ison ride - hand side out of the way as shown inpicture.

Use a pin for fixing the fabric. Change toregular sewing foot and saw as close aspossible with straight stitch against the zipper.

At last carry out tie off with some forward

and reverse stitches.

* The invisible zipper foot accessory isoptional. It is not included with thismachine.

Basic Sewing Procedures

���

50

1/4"

5/8"

Surface

Reverse

Surface

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K

Fold edge of fabric over about 3mm, then foldit over again 3mm for about 5cm along theedge of the fabric.

Insert the needle into the fold by rotating thehandwheel toward you, and lower thepresser foot. Sew several stitches and raisethe presser foot.

Insert the fabric fold into the spiral openingof hemmer foot. Move fabric back and forthuntil the fold forms a scroll shape.

Lower the presser foot and start sewingslowly guiding the raw edge of the fabric infront of the hemmer foot evenly into thescroll of the foot.

������

Narrow Hemming

* The hemmer foot accessory is optional. It isnot included with this machine.

���

Basic Sewing Procedures 51

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M Sew over one strand of cording to create apretty swirled design on a jacket or vest orsew over three strands of cording for bordertrims. Pearl cotton, knitting yarn, embroideryfloss, lace thread, fine wool or lily yarn can beused for cording.

M

Triple cording

Push the sewing thread to the left and insertthree cords into the grooves of the foot andpull about 5cm (2 inches) of the cords behindthe foot.

Select the desired pattern and adjust thestitch width so that the stitches are justcovering the cords. Lower the foot and sewslowly guiding the cords.

Cording

Single cording

Mark the design on the fabric. Insert thecord in the center groove of the cording footfrom the right side opening. Pull the cordabout 5cm (2 inches) behind the foot.

The grooves under the foot will hold thelength of the cord in place while the stitchesare being form over the cord.

Select the stitch and adjust the stitch width sothat the stitches are just covering the cord.Lower the foot and sew slowly, guiding thecord over the design.

* The accessory is optional. It isnot included with this machine.

cording foot

Basic Sewing Procedures52

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Use the satin stitch foot for satin stitchingand sewing decorative stitches. This foot hasa full indentation on the underside to allowedeasy sewing over the thickness of thestitches form by closely spaced zigzagstitches, and even feeding of the fabric.

To tailor the satin or decorative stitch pattern,you may adjust the length and width of thepattern by pressing the stitch length andwidth adjustment buttons. Experiment withfabric scraps until you get the desired lengthand width.

When sewing very thin fabrics, it issuggested that you use interfacing on thebackside of the fabric.

Please Note:

������� ������

Satin Stitch Sewing

A

Basic Sewing Procedures 53

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Quilting

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Patchwork stitching

Align the edges of the fabric with insideedge of guide on the side of the foot foraccurate 1/4" piecing.

The inside of the toes provides an accurate1/8" seaming guide.

The foot has 1/4" markings both behind theneedle and in front of the needle foraccurate pivoting of corners.

Note:

Only the straight stitch in the center positioncan be used.

Using the edge/quilting guide

edge/quiltingInsert the in the presser footholder as illustrated and set the space asyou desire.

Sew the first row and move over the fabric tosew successive rows with the guide ridingalong the previous row of stitching.

* The 1/4" quilting foot accessory is optional. Itis not included with this machine.

Basic Sewing Procedures54

1/4"

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������

Hand look quiltinghand look

quiltYou can duplicate the look of a

stitch by using monofilament thread inthe needle, 30 or 40 weight cotton thread inthe bobbin, and increasing the needletension.The needle tension will need to bedetermined by the thickness of your batting.

Patchwork stitchingPlace the two pieces of fabric with the rightside together and sew with the straight stitch.

Open the seam allowance and press it flat.

Place the center of the presser foot on theseam line of the joined pieces of fabric andsew over the seam.

A

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Blanket (Quilting Applique)

For all fabrics and all types of work.

���

Basic Sewing Procedures 55

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- Stitch along the edge of the fabric,making sure not to sew directly on theedge of the fabric.

For better results, apply spray starch ontothe fabric and press with a hot iron beforeit is sewn.

- Trim along the stitches.

Be careful not to cut the stitches.

A

Scallop Stitch

- Separate the folded edges of the fabricpieces with a gap of 4mm (1/8 inch) andbaste them onto a piece of thin paper orwater-soluble stabilizer sheet.

- Align the center of the presser foot with thecenter of the two pieces of fabric and beginsewing.

- After sewing, remove the paper.

Thin paper

Basting

T

Fagoting

Basic Sewing Procedures56

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��

Gathering

To gather and attach gathered fabric inone step

Look closely at the gathering foot to see aslot on the bottom.

When using the slot, you can gather thebottom layer of the fabric while attaching it toa flat top layer, such as the waistband on adress bodice.

1. Remove the presser foot holder andattach gathering foot.

2. Place the fabric to be gathered with rightside up under the foot.

3. Place top layer of the fabric right sidedown in the slot.

4. Guide the two layers as illustrated.

- Sew slow to medium speed for betterfabric control.

Note:

- When testing machine for adjustments toachieve desired fullness, work with 10"increments of the fabric, trims or elastic.This makes it easier to determine theadjustments and how much change isneeded for your project. Always test onyour project fabric and on the samegrainline as will be used in your finishedproject.

Using the crossgrain of the fabric will makeprettier gathers than the straight of grain.

Gathered fabric

Remove the presser foot holder and attachthe gathering foot, lowering the tensionsetting to below 2.

Suitable for light to medium weightfabrics.

Place fabric to be gathered under presserfoot to the right of the presser foot. Sew a rowof stitching, keeping the raw edge of fabricaligned with the right edge of foot.

The stitches automatically cause the fabric togather.

* The accessory is optional. It isnot included with this machine.

gathering foot

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Basic Sewing Procedures 57

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Adjust the stitch length to 4.0mm and loosenthe thread tension.

Use the all purpose foot to sew straight lines1cm (3/8 inch) apart, across the area to besmocked.

Knot the threads along one edge.

Pull the bobbin threads and distribute thegathers evenly. Secure the threads at theother end.

Reduce the tension, if necessary and sewdecorative pattern stitches between thestraight seams.

Pull out the gathering stitches.

A

Smocking

T

Basic Sewing Procedures58

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Remove the presser foot holder, and attachthe darning foot to the presser foot holderbar.

The lever (a) should be behind the needleclamp screw (b). Press the darning foot onfirmly from behind with your index finger andtighten the screw (c).

First sew around the edges of the hole (tosecure the threads). Working from left toright, sew over the hole in a constant andcontinuous movement.

Turn the work by 1/4 (90 ) and sew over thefirst stitching moving the work slower overthe hole to separate the threads and notform big gaps between the threads.

°

Darning

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Free Motion Darning, Embroidery and Monogramming

Please Note:

Free motion darning is accomplished withoutthe sewing machine internal feed system.Movement of the fabric is controlled by theoperator. It is necessary to coordinatesewing speed and movement of fabric.

Move the drop feed control to " " tolower the feed dogs.

a

b

ab

* The d accessory isoptional.

arning/ Embroidery foot(for model )London 7

Basic Sewing Procedures 59

a

b

c

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Select zigzag stitch pattern and adjust thestitch width as desired.

Stitch along the outline of the design bymoving the embroidery hoop. Make sure tomaintain a constant speed.

Fill in the design working from the outlinetowards the inside. Keep the stitches closetogether.

You will get longer stitches by moving thehoop faster and shorter stitches by movingthe hoop more slowly.

Secure with a reinforcement stitches at theend by pressing the Auto-lock button.

Select the zigzag stitch pattern and adjust thestitch width as desired. Sew at a constantspeed, moving the hoop slowly along thelettering.

When the letter is finished. Secure with areinforcement stitches at the end by pressingthe Auto-lock button.

* Embroider hoop is not included with themachine.

Monogramming

Embroidery

Basic Sewing Procedures60

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Always try to sew first without the walking foot accessorywhich should be used only when necessary.

It is easier to guide the fabric and you have a better view of theseam when using the standard, regular foot on your machine.

Your sewing machine offers excellent stitch quality on a wide rangeof fabrics from delicate chiffons to multiple layers of denim.

The Walking Foot accessory equalizes the feeding of the upperand lower layers of fabric and improves the matching of plaids,stripes and patterns. It also helps to prevent uneven feeding of verydifficult fabrics.

Lift the presser foot lifter to raise the presser foot bar.

Remove the presser foot holder by unscrewing (counterclockwise)the presser bar attaching screw.

Attach the Walking Foot to the machine as follows:

- The arm (a) should fit into above the needle screw and clamp (b).

- Slide the plastic attaching head (c) from your left to right so that itis fitted into the presser foot bar.

- Lower the presser foot bar.

- Replace and tighten (clockwise) the presser bar attaching screw.

- Make sure both the needle screw and the presser bar attachingscrew are tightly secured.

Draw the bobbin thread up and place both the bobbin thread andthe needle thread behind the walking foot attachment.

* The walking foot accessory is optional. It is not included withthis machine.

Walking Foot

Basic Sewing Procedures 61

a

b

c

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Mirror Stitch Pattern - model London 8

Select the pattern. (e.g. Stitch 29)

Press the function button to open thefunction program.

Press Set/disp tobutton toggle mirror functionand memorize it.

Please Note:

All patterns that can be mirrored are shownin the picture on the left.

Use selector wheel to scroll to the mirrorfunction.

Please Note:

When starting to scroll only the selectedfunction will flash.

A. Normal pattern sewing.

B. Mirror pattern sewing.

Please Note:

Mirror imaged patterns can also be combinedwith other patterns.

Please Note:

Initially both mirror and twin needle symbolare flashing at the same speed.

Special Functions

A B

62

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Twin Needle Sewing - model London 8

T �������

Insert the twin needle.

Attention:

When using twin needles, use the allpurpose foot.

Use only twin needle assemblies with max.2mm needle distance (i.e. bernette partnumber 502020.62.91)

Follow the instructions for single-needlethreading using the horizontal spool pin.Thread through the left needle.

Set the spool pin (included with theaccessories) into the hole on the top of themachine.

Thread through , makingcertain to omit the thread guide above theneedle and pass thread through the rightneedle.

the same path

Thread each needle separately.

Make sure that the two threads used tothread the twin needle are of the same weight.You can use one or two colors.

Please make note:

Please Note:

Twin needles must be purchased separately.They are not include with this machine.

Select the pattern.

Press the function button to open thefunction program.

Please Note:

Pattern 10, 50-60 and alphabets cannot beused for twin needle sewing.

Special Functions 63

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Use selector wheel to scroll to the twinneedle function.

Press Set/disp tobutton toggle twin needlefunction and memorize it.

Please Note:

Initially both mirror and twin needle symbolare flashing at the same speed. Whenstarting to scroll only the selected functionwill flash.

The machine automatically reduces themaximum width for twin needle sewing.

Start to sew and two lines of stitching aresewn parallel to each other.

Please Note:

- When sewing with twin needle, alwaysproceed slowly, and make sure to maintaina low speed to insure quality stitching.

- When twin needle is selected it will remainon, even if the stitch is changed. To resettwin needle select by selection functiontwin needle once again.

Special Functions64

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Several stitch patterns may be combined to one sewing sequence using the memoryfunction. These pattern sequences are stored for later use. Even when the sewingmachine is switched off the memory contents are retained.

- The machine provides one memory with 30 positions.

- Multiple patterns can be selected from the pattern group or the alphabet group and then besewn in a sequence.

- Pattern 10 and 50-60 cannot be stored.

- While the machine is sewing the memory patterns, the reverse button can not be operated.

Please Note:

Memory - model London 8

Special Functions

Memory Mode

Mem Enter Mode Mem Review/Edit Mode

Note:

- If the memory is empty whenpressing mem button the Mem EnterMode becomes active.

- If the memory is used when pressingmem button the Mem Review/EditMode becomes active.

The (Stitchnumber flashing) is used to enterstitches continuously into theMemory.

Memory Enter Mode The(Continuous display) is used toreview or modify memorizedstitches or to add and deletestitches in Memory.

Memory Review/Edit Mode

65

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Overview Memory Review/Edit Mode

Mem Review/Edit Mode

Review stored stitches

See page 71.

Editing functions Switch to Normal Mode &Sew memorized patterns

See page 70.

Append asequence of

stitches

Change astored stitch

or itsparameters

Insert anadditional

stitch

Delete astored stitch

Delete ALL

See page 69. See page 72. See page 73. See page 75. See page 77.

(Switch toMem Enter Mode)

Overview Memory Enter Mode

Mem Enter Mode

Enter a sequence ofstitch patterns

See page 67.

Switch to MemoryReview/Edit Mode

See page 69.

Switch to Normal Mode &Sew memorized patterns

See page 70.

Special Functions66

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Enter a sequence of stitch patterns inMemory Enter Mode

Precondition: Empty Memory (see page 77to clear Memory)

Press the memory button to enter MemoryEnter Mode.

Use selector wheel to select desired stitch.

E.g. stitch 25

The stitch number starts flashing.

Memory Mode active is shown by " "indication under the stitch number.

Before pressing set/disp button:

- The parameters of the selected stitch, suchas stitch length and stitch width, mirroringand twin needle, may be adjusted bypressing the corresponding button.

- The stitch can be test sewn by pressing thestart/stop button or the foot controller.

Note, that the machine will automaticallystop sewing at the end of the stitch.

Please note:

1st memory position

1st memory position

Press set/disp button to memorize it.

After pressing mem position will be shownfor 2 seconds (01 = first memory position)

1st memory position

Special Functions 67

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Then stitch number continues to flash withthe last programmed stitch and the memoryis ready to accept the second stitch.

Repeat above mentioned steps for morestitches to be stored in the memory.

- Patterns and Alphabets can be stored incombination

- Double click pattern group selection buttonto open the Alphabet selection and repeatabove mentioned steps.

Please Note:

2ed memory position

Special Functions

Press the start/stop button or foot controllerto sew stored stitches.

When the memory is full with 30 stitches, themachine will beep 3-short beeps.

Please Note:

68

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Switch between Memory Enter Mode andMemory Review/Edit Mode

After Memory Enter Mode is activated and atleast one stitch is stored double clickset/disp button to enter the MemoryReview/Edit Mode.

memory enter mode

memory review/edit mode

Special Functions

Memory Editing functions -Append a sequence of stitches

69

When Memory Review/Edit Mode is activedouble click set/disp button to enter theMemory Enter Mode.

Press the memory button to enter theMemory Review/Edit Mode, the screenshows the stitch of the 1st memory position.

Double click set/disp button and the machineswitches to Memory Enter Mode startingafter the last saved stitch.

Proceed according to page 67/ 68 to addmultiple new stitches.

Stitches in Memory before appending a stitch:

25 26 15

01 02 03

Stitches in Memory after appending stitch no.01:

25 26 15

01 02 03 04

Example:

01

stitch no.

mem pos.

stitch no.

mem pos.

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Press the start/stop button or foot controllerto sew the stored stitches.

The display will show the sewing stitch datawhile sewing.

1st memory position

Special Functions

Press the memory button to enter theMemory Mode, the display shows the stitchof the 1st memory position.

Sew memorized pattern

Switch from Memory Mode tothe Normal Mode

When Memory Mode is active press memorybutton to leave the Memory Mode and returnto the Normal Mode.

70

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Review stored stitches

Precondition: with existing patterns in Memory

Press the memory button to enter theMemory Review/Edit Mode, the screenshows the stitch of the 1st memory position.

by stitch

Use selector wheel to navigate to differentstitches and to review the parameters set.

2nd memory position

1st memory position

by mem position

Please Note:

Press set/disp button to change to memposition display.

During Memory Review/Edit Mode the displaycan always be switched between mem Posand stitch display with the set/disp button.

Use selector wheel to navigate to differentmem positions.

Press start/stop or foot controller to startcontinuously sewing from the current positionin memory.

Please Note:

Special Functions

1st memory position

3rd memory position

71

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Special Functions

Memory Editing functions -Change a stored stitch or its parameters

Precondition: with existing patterns in Memory

Press the memory button to enter the MemoryReview/Edit Mode, the screen shows thestitch of the 1st memory position.

1st memory position

Use selector wheel to select the stitch thatshould be replaced or its parameters changed.

To change the stitch press the pattern groupselection button, the stitch number startsflashing.

To change its parameters press the stitchlength, stitch width or function button.

2nd memory position

Use selector wheel to select new value.(E.g. stitch 47)

2nd memory position

Before pressing set/disp button:

- The parameters of the selected stitch, suchas stitch length and stitch width, mirroringand twin needle, may be adjusted bypressing the corresponding button.

- The stitch can be test sewn by pressingthe start/stop button or the foot controller.

Note, that the machine will automaticallystop sewing at the end of the stitch.

Please note:

2nd memory position

72

Press set/disp button to store and return toMemory Review/Edit Mode.

Stitches in Memory before replacing a stitch:

25 26 15 01 30 48

01 02 03 04 05 06

Stitches in Memory after replacing stitch no. 26:

25 15 01 30 48

01 02 03 04 05 06

Example:

47

stitch no.

mem pos.

Stitch no.

mem pos.

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Memory Editing functions -Insert an additional stitch

Precondition: with existing patterns in Memory

Press the memory button to enter theMemory Review/Edit Mode, the screenshows the stitch of the 1st memory position.

Special Functions

1st memory position

73

Use selector wheel to select the stitch thatyou want to insert a new stitch before it.

Press the function button to open thefunction program.

Initially all the function symbols are flashingat the same speed. When starting to scrollonly the selected function is flashing.

Please Note:

3rd memory position

3rd memory position

Use selector wheel to scroll to the meminsert function.

3rd memory position

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Special Functions74

Press set/disp button to insert an emptymemory position.

Use selector wheel to select the desiredstitch. (E.g. stitch 35)

3rd memory position

3rd memory position

3rd memory positionPress set/disp button to store and return toMemory Review/Edit Mode.

The parameters of the selected stitch, suchas stitch length and stitch width, mirroringand twin needle, may be adjusted bypressing the corresponding button.

Please note:

Example:

35

03

Stitches in Memory before inserting anotherone:

25 26 27 01 30 48

01 02 03 04 05 06

Chose stitch no. 27 which is on 3rd memoryposition.

Stitches in Memory after inserting anotherone:

25 26 27 01 30 48

01 02 04 05 06 07

New stitch no. 35 is now on 3rd and stitchno. 27 is now on 4th memory position.

Stitch no.

mem pos.

stitch no.

mem pos.

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Special Functions 75

Memory Editing functions -Delete a stored stitch

Press the memory button to enter theMemory Review/Edit Mode, the screenshows the stitch of the 1st memory position.

1st memory position

2nd memory position

2nd memory position

2nd memory position

Use selector wheel to select the stitch thatyou want to delete.

Press the function button to open thefunction program.

Initially all the function symbols are flashingat the same speed. When starting to scrollonly the selected function is flashing.

Please Note:

Use selector wheel to scroll to the memdelete function.

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Special Functions

2nd memory position

76

Press set/disp button to delete the patternand return to the Memory Review/Edit Mode.

Stitches in Memory before deleting a stitch:

25 26 35 27 01 30 48

01 02 03 04 05 06 07

Chose stitch no. 26 which is on 2nd memoryposition.

Stitches in Memory after deleting stitch no.26:

25 35 27 01 30 48

01 02 03 04 05 06

Stitch no. 35 is now on 2nd memory position.

Example:

stitch no.

mem pos.

stitch no.

mem pos.

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Press function button to open functionprogram.

2nd memory position

Use selector wheel to scroll to the memdelete ALL function and press set/dispbutton.

The display blanks with only " " on andmem Del ALL flashing for confirmation.

2nd memory position

Press set/disp button again and hold for 2seconds until the machine beeps.

The memory is deleted and the machineswitches into the Memory Enter Mode.

If any other button was pressed or if set/dispbutton was pressed too short the machinereturns into the Memory Review/Edit Modeand the Memory is retained.

Please Note:

2nd memory position

Special Functions 77

Memory Editing functions -Delete ALL

Press the memory button to enter theMemory Review/Edit Mode, the screenshows the stitch of the 1st memory position.

1st memory position

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Warning Functions

- When operating correctly: 1 beep

- When operating incorrectly: 3-short beeps

- When the sewing machine is blocked: 3-short beeps

- When the memory is full: 3-short beeps

Beeping sound

Warning display

The sewing machine is

The exclamation icon means that the threadis twisted or jammedand the hand wheel cannot move.

The motor control will disable the power tothe motor and all LED's in the parametersection (right side of the machines) areswitched off while all 5 LED's on the head ofthe machine start flashing for 2 seconds.

Please look through the "Trouble shootingguide" on page 80/81 to

blocked

or the fabric is too thick

resolve the problem.

Return bobbin winder spindle to left

If you press any button on the machinewhen the bobbin is full or the bobbin winderis in the right position, then the machine willbeep 3 times as a warning. Return thebobbin winder spindle to the left position.

Note:

When the bobbin winder is pushed tothe right, the machine will display the symbol" ".

spindle

Special Functions78

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Turn main switch off ("O") Disconnect machine from electricitysupply before inserting or removing any parts and beforecleaning.

Caution:

Remove the stitch plate.

Raise the needle to its highest position. Remove the presserfoot. Open the bobbin cover plate, remove the two screws,then remove the stitch plate.

Press the bobbin holder toward to the right, lift it up and removeit.

Cleaning

Clean the hook race.

Clean the feed dog and bobbin holder with a brush, then cleanthem with a soft, dry cloth.

Replace the bobbin holder into the hook race so that the tip (a)fits to the stopper (b). Replace the stitch plate and the twoscrews. Insert the bobbin. Close the bobbin cover plate, replacethe presser foot.

Important:

The drop-in system MUST NOT be lubricated.

Fabric, fluff and threads must be removed regularly.

Your machine should be serviced at regular intervals at yourlocal dealer.

a b

This appliance is equipped with a durable LED illumination, which is expected to last for thewhole lifetime of the equipment. Please contact a local service agent, should the lampnevertheless require to be replaced

Replacing the LED Lamp

Maintenance 79

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Before calling for service, check the following items. If the problem still persists, contact theplace of purchase or your nearest authorized dealer.

Upper threadbreaks

Lower threadbreaks

Skippedstitches

Needlebreaks

Loosestitches

Seamgather orpucker

1. The machine is not threaded correctly.

2. The thread tension is too tight.

3. The thread is too thick for the needle.

4. The needle is not inserted correctly.

5. The thread is wound around the spoolpin.

6. The needle is damaged.

1. The bobbin case is not inserted correctly.

2. The bobbin case is threaded wrong.

3. The lower thread tension is too tight.

1. The needle is not inserted correctly.

2. The needle is damaged.

3. The wrong size needle has been used.

4. The foot is not attached correctly.

5. The machine is not threaded correctly.

6. The presser foot pressure is not strongenough.

1. The needle is damaged.

2. The needle is not correctly inserted.

3. Wrong needle size for the fabric.

4. The wrong foot is attached.

5. The needle clamp screw is loose.

6. The presser foot that is used is notappropriate for the type of stitchpattern that you wish to sew.

7. The upper thread tension is too tight.

1. The machine is not correctly threaded.

2. The bobbin case is not correctlythreaded.

3. Needle/fabric/thread combination iswrong.

4. Thread tension is wrong.

1. The needle is too thick for the fabric.

2. The stitch length is adjusted wrong.

3. The thread tension is too tight.

1. Select a finer needle.

2. Readjust the stitch length.

3. Loosen the thread tension.

1. Check the threading.

2. Thread the bobbin case as illustrated.

3. The needle size must suit the fabricand thread.

4. Correct the thread tension.

1. Insert a new needle.

2. Insert the needle correctly (flat sidetowards the back).

3. Choose a needle to suit the threadand fabric.

4. Select the correct foot.

5. Use the screwdriver to firmly tightenthe screw.

6. Attach the presser foot that is appro-priate for the type of stitch that youwish to sew.

7. Loosen the upper thread tension.

1. Remove and reinsert needle (flat sidetowards the back).

2. Insert a new needle.

3. Choose a needle to suit the thread.

4. Check and attach correctly.

5. Rethread the machine.

6. Adjusting the presser foot pressure.

1. Remove and reinsert the bobbin caseand pull on the thread. The threadshould pull easily.

2. Check both bobbin and bobbin case.

3. Adjusting thread tension as described.

1. Rethread the machine.

2. Reduce the thread tension.(Lower number).

3. Select a larger needle.

4. Remove and reinsert the needle (flatside towards the back).

5. Remove the reel and wind thread ontoreel.

6. Replace the needle.

Trouble shooting guide

Problem Cause Correction Reference

Trouble Shooting

14

18

21

17

14

17

13

13

18

17

17

21

32-33

14

18

17

17

21

32-33

17

32-33

18

14

21

18

11

21

--

18

80

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Seampuckering

Patterns aredistorted

1. The needle thread tension is too tight.

2. The needle thread is not threadedcorrectly.

3. The needle is too heavy for the fabricbeing sewn.

4. The stitch length is too long for thefabric.

5. The presser foot pressure is notcorrectly adjusted.

1. The correct presser foot is not used.

2. The needle thread tension is too tight.

1. Select the correct foot.

2. Loosen the thread tension.

1. Lossen the thread tension.

2. Rethread the machine.

3. Choose a needle to suit the thread andfabric.

4. Make stitch dense.

5. Adjusting the presser foot pressure.

The sewingmachinedoesn'toperate

1. The machine is not turned on. 1. Turn on the machine.

Themachine

jams

Remove the upper thread and bobbincase, turn the handwheel backwardsand forwards by hand and remove thethread remnants.

Themachine is

noisy

1. Fluff have collected on the hook orneedle bar.

2. The needle is damaged.

1. Clean the hook and feed dog asdescribed.

2. Replace the needle.

Unevenstitches,

uneven feed

1. Poor quality thread.

2. The bobbin case is threaded wrong.

3. Fabric has been pulled.

1. Select a better quality thread.

2. Remove the bobbin case, the threadand reinsert correctly.

3. Do not pull on the fabric while sewing,let it be taken up by the machine.

Problem Cause Correction Reference

4. Thread is caught in the hook.

3. Slight humming sound coming frominternal motor.

3. Normal.

5. The feed dogs are packed with lint.

Remove the upper thread and bobbincase, turn the handwheel backwardsand forwards by hand and remove thethread remnants.

1. Thread is caught in the hook.

2. The feed dogs are packed with lint.

2. Connect the power line plug to theelectric outlet.

2. The machine is not plugged in.

Trouble Shooting

18

14

21

--

18

32-33

18

79

79

17

--

79

21

13

8

8

--

81

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Appendix82

Flowchart Normal Mode

Standard Display(after Startup)

Pattern or ParameterSelection

Alphabet Selection

mem

Sew

double click

+ click

Stitch Selection

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Appendix 83

Flowchart Memory Mode

EmptyMemory?

double click

Memory Enter Mode

Stitch Selection(see Normal Mode)

memcompleted?

sew memfrom pos. 01

Memory Review/Edit Mode

Test Sew

ChangeParameter

Store pattern andshow mem posfor 2 seconds

Yes

No

Yes

Reviewstitch

by stitch

Review bymem Pos

Scroll toPos to

Start sew

StitchSelection

(see NormalMode)

Reviewcompleted?

Sew from lastposition viewed

No

Yes

No

mem

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EN - 05/2013502020.83.59 / 021H1D0101(A)

BERNINA International AGSteckborn CH, www.bernina.com