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Troubleshooting 185
5
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Stitches are
skipped.
The upper thread was not
threaded correctly.
Correct the upper threading. page 29
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 39
The needle is bent or blunt. Replace the needle. page 40
The needle is incorrectly installed. Correctly install the needle. page 40
Dust has accumulated under the
needle plate or in the bobbin case.
Remove the needle plate cover and
clean the race.
page 180
A high-pitched
noise is made
while sewing.
Dust has accumulated in the feed
dogs or in the bobbin case.
Clean the race. page 180
The upper thread was not
threaded correctly.
Correct the upper threading. page 29
The bobbin case is scratched, or
has a burr on it.
Replace the bobbin case. 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 23
The thread does
not pass through
the eye of the
needle.
The needle has not been raised to
the correct position.
Press the “Needle Position” button. page 32
The needle is incorrectly installed. Correctly install the needle. page 40
The stitch is not
sewn correctly.
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
appropriate for the type of stitch that
you wish to sew.
page 68
The thread tension is incorrect.
Adjust the tension of the upper
thread.
page 57
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 180
The fabric does
not feed.
The feed dogs are lowered.
Slide the drop feed lever to the right
(as seen from the rear of machine).
page 108
The stitch is too short. Lengthen the stitch length. page 57
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
appropriate for the type of stitch that
you wish to sew.
page 68
The thread is tangled, for example,
in the bobbin case.
Remove the tangled thread. If the
thread is tangled in the bobbin case,
clean the race.
page 180
Symptom Probable Cause Remedy Reference