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Troubleshooting 179
5
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Stitches are
skipped.
The needle is incorrectly installed. Correctly install the needle. page 41
Dust has accumulated under the
needle plate or in the bobbin case.
Remove the needle plate cover and
clean the race.
page 174
A high-pitched
noise is made
while sewing.
Dust has accumulated in the feed
dogs or in the bobbin case.
Clean the race. page 174
The upper thread was not
threaded correctly.
Correct the upper threading. page 32
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 22
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 41
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 72
The thread tension is incorrect.
Adjust the tension of the upper
thread.
page 62
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 174
The fabric does not
feed.
The feed dogs are lowered. Slide the drop feed lever to the right. page 106
The stitch is too fine. Lengthen the stitch length. page 62
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 72
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 174
The fabric feeds in
the opposite
direction.
The feed mechanism is damaged.
Contact your dealer or the nearest
authorized service center.
-
The needle
threader lever does
not lower to the
correct position.
The needle has not been raised to
the correct position.
Press the needle position button. page 32
The sewing lamp
does not come on.
The sewing lamp is damaged.
Contact your dealer or the nearest
authorized service center.
-
The machine is not turned on. Turn on the machine. page 17
Nothing appears in
the LCD.
The brightness of the LCD is either
too light or too dark.
Adjust the brightness of the LCD. page 185
Symptom Probable Cause Remedy Reference