Troubleshooting
151
5
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Stitches are
skipped.
The upper thread was not
threaded correctly.
Correct the upper threading.
page 21
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 34
The needle is bent or blunt.
Replace the needle.
page 35
The needle is incorrectly installed. Correctly install the needle.
page 35
Dust has accumulated under the
needle plate or in the shuttle.
Remove the needle plate cover and
clean the shuttle.
page 146
A high-pitched
noise is made
while sewing.
Dust has accumulated in the feed
dogs or in the shuttle.
Clean the shuttle.
page 146
The upper thread was not
threaded correctly.
Correct the upper threading.
page 21
The shuttle is scratched, or has a
burr on it.
Replace the shuttle. Contact your
retailer or the nearest authorized
service center.
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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 does
not pass through
the eye of the
needle.
The needle has not been raised to
the correct position. The thread
cassette indicator is lit in red.
Press the needle position button. The
thread cassette indicator lights up in
green.
page 25
The needle is incorrectly installed. Correctly install the needle.
page 35
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 64
The thread tension is incorrect.
Adjust the tension of the upper
thread.
page 52
The thread is tangled, for example,
in the shuttle.
Remove the tangle thread. If the
thread is tangled in the shuttle, clean
the shuttle.
page 146
The fabric does
not feed.
The feed dogs are lowered.
Slide the drop feed lever to the left.
page 96
The stitch is too fine.
Lengthen the stitch length.
page 55
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 64
The thread is tangled, for example,
in the shuttle.
Remove the tangle thread. If the
thread is tangled in the shuttle, clean
the shuttle.
page 146
The sewing lamp
does not come on.
The sewing lamp is damaged.
Contact your retailer or the nearest
authorized service center.
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Symptom
Probable Cause
Remedy
Reference