APPENDIX ——————————————————————————————————————————————

List of symptoms

Symptom

Probable Cause

Remedy

Reference

 

 

 

 

 

The machine is not turned on.

Turn on the machine.

page 17

 

 

 

 

 

The “Start/Stop” button was not

Press the “Start/Stop” button.

page 52

 

pressed.

 

 

 

 

 

 

 

The sewing

The presser foot lever is raised.

Lower the presser foot lever.

 

 

 

 

Do not use the “Start/Stop” button

 

machine does not

The “Start/Stop” button was pressed,

 

operate.

when the foot controller is

 

 

even though the foot controller is

connected. To use the “Start/

page 52

 

connected.

Stop” button, disconnect the foot

 

 

 

controller.

 

 

 

 

 

 

The bobbin winder shaft is pushed to

Move the bobbin winder shaft to

page 25

 

the right.

the left.

 

 

 

 

 

 

 

The needle is incorrectly installed.

Correctly install the needle.

 

 

 

 

 

 

The needle clamp screw is loose.

Use the screwdriver to firmly

page 39

 

tighten the screw.

 

 

 

 

 

 

 

 

The needle is bent or blunt.

Replace the needle.

 

 

 

 

 

 

The combination of fabric, thread

Select a thread and needle that

 

 

are appropriate for the type of

page 38

 

and needle is not correct.

 

fabric being sewn.

 

 

 

 

 

 

 

 

 

The presser foot that is used is not

Attach the presser foot that is

 

 

appropriate for the type of stitch that

appropriate for the type of stitch

page 138

The needle breaks.

you wish to sew.

that you wish to sew.

 

 

 

 

 

The upper thread tension is too tight.

Loosen the upper thread tension.

page 57

 

 

 

 

 

The fabric is pulled too much.

Lightly guide the fabric.

 

 

 

 

 

The spool is incorrectly installed.

Correctly install the spool.

page 28

 

 

 

 

 

The area around the hole in the

Replace the needle plate. Contact

 

 

needle plate is scratched, or has a

your dealer or the nearest

 

burr on it.

authorized service center.

 

 

 

 

 

 

The area around the hole in the

Replace the presser foot. Contact

 

 

presser foot is scratched, or has a

your dealer or the nearest

 

burr on it.

authorized service center.

 

 

 

 

 

 

The bobbin case is scratched, or has

Replace the bobbin case. Contact

 

 

your dealer or the nearest

 

a burr on it.

 

authorized service center.

 

 

 

 

The needle breaks.

 

 

 

 

Incorrect bobbins will not work

 

 

 

 

 

A bobbin designed specifically for

properly. Only use a bobbin

page 22

 

this machine is not used.

designed specifically for this

 

 

 

 

machine.

 

 

 

 

 

160