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Troubleshooting 137
GETTING READYCONTENTS SEWING BASICS UTILITY STITCHES APPENDIX INDEX
Troubleshooting
If the machine stops operating correctly, check the following possible problems before requesting service.
If the problem persists, contact your retailer or the nearest authorized service center.
Symptom Probable Cause Remedy Reference
The sewing
machine does
not operate.
The machine is not turned on. Turn on the machine. page 11
The start/stop button was not
pressed.
Press the start/stop button. page 49
The presser foot lever is raised. Lower the presser foot lever.
–
The start/stop button was pressed,
even though the foot controller is
connected.
Do not use the start/stop button
when the foot controller is con-
nected. To use the start/stop button,
disconnect the foot controller.
page 49
The needle
breaks.
The needle is incorrectly installed. Correctly install the needle.
page 35The needle clamp screw is loose.
Use the screwdriver to firmly tighten
the screw.
The needle is bent or blunt. Replace the needle.
The combination of fabric, thread
and needle is not correct.
Select a thread and needle that are
appropriate for the type of fabric
being sewn.
page 33
The presser foot that is used is not
appropriate for the type of stitch that
you wish to sew.
Attach the presser foot that is appro-
priate for the type of stitch that you
wish to sew.
page 128
The upper thread tension is too tight. Loosen the upper thread tension. page 54
The fabric is pulled too much. Lightly guide the fabric.
–
The spool is incorrectly installed. Correctly install the spool. page 24
The area around the hole in the nee-
dle plate is scratched, or has a burr
on it.
Replace the needle plate.
Contact your retailer or the nearest
authorized service center.
–
The area around the hole in the
presser foot is scratched, or has a
burr on it.
Replace the presser foot.
Contact your retailer or the nearest
authorized service center.
–
The shuttle is scratched, or has a
burr on it.
Replace the shuttle.
Contact your retailer or the nearest
authorized service center.
–
A bobbin designed specifically for
this machine is not used.
Incorrect bobbins will not work
properly. Only use a bobbin
designed specifically for this
machine.
page 18