Loading ...
Loading ...
Loading ...
112
APPENDIX — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
The upper
thread breaks.
The thread is tangled, for example,
in the bobbin case.
Remove the tangle thread. If the
thread is tangled in the bobbin case,
clean the race.
page 100
The needle is bent or blunt. Replace the needle.
page 32
The needle is incorrectly installed. Correctly install the needle.
The area around the hole in the
needle plate is scratched, or has a
burr on it.
Replace the needle plate.
Contact your dealer 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 dealer or the nearest
authorized service center.
–
The bobbin case is scratched, or has
a burr on it.
Replace the bobbin case.
Contact your dealer 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 16
The lower
thread is tangled
or breaks.
The bobbin thread is incorrectly
installed.
Correctly install the bobbin thread. page 20
The bobbin is scratched or does not
rotate smoothly, or has a burr on it.
Replace the bobbin.
–
The thread is tangled.
Remove the tangled thread and
clean the race.
page 100
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 16
The thread
tension is
incorrect.
The upper thread was not threaded
correctly.
Correct the upper threading. page 22
The bobbin thread is incorrectly
installed.
Correctly install the bobbin thread. page 20
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 30
The presser foot holder is incorrectly
installed.
Correctly install the presser foot
holder.
page 35
The thread tension is incorrect.
Adjust the tension of the upper thread.
page 46
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 16
The fabric is
wrinkled.
The upper thread was not threaded
correctly, or the bobbin is incorrectly
installed.
Correctly thread the upper thread
and correctly install the bobbin
thread.
page 20, 22
The spool is incorrectly installed. Correctly install the spool. page 22
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 30
The needle is bent or blunt. Replace the needle. page 32
If thin fabrics are being sewn, the
stitch is too long.
Shorten the stitch length or sew with
stabilizer material under the fabric.
page 48
Symptom Probable Cause Remedy Reference
Loading ...
Loading ...
Loading ...