Brother Computerized Embroidery Sewing Machine Operation Manual page 157

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Symptom
Stitches are
skipped.
A high-pitched
noise is made
while sewing.
The thread does
not pass through
the eye of the
needle.
The stitch is not
sewn correctly.
The fabric does
not feed.
The sewing lamp
does not come on.
Probable Cause
The upper thread was not
threaded correctly.
The combination of fabric, thread
and needle is not correct.
The needle is bent or blunt.
The needle is incorrectly installed. Correctly install the needle.
Dust has accumulated under the
needle plate or in the shuttle.
Dust has accumulated in the feed
dogs or in the shuttle.
The upper thread was not
threaded correctly.
The shuttle is scratched, or has a
burr on it.
A bobbin designed specifically for
this machine is not used.
The needle has not been raised to
the correct position. The thread
cassette indicator is lit in red.
The needle is incorrectly installed. Correctly install the needle.
The presser foot that is used is not
appropriate for the type of stitch
that you wish to sew.
The thread tension is incorrect.
The thread is tangled, for example,
in the shuttle.
The feed dogs are lowered.
The stitch is too fine.
The presser foot that is used is not
appropriate for the type of stitch
that you wish to sew.
The thread is tangled, for example,
in the shuttle.
The sewing lamp is damaged.
Remedy
Correct the upper threading.
Select a thread and needle that are
appropriate for the type of fabric
being sewn.
Replace the needle.
Remove the needle plate cover and
clean the shuttle.
Clean the shuttle.
Correct the upper threading.
Replace the shuttle. Contact your
retailer or the nearest authorized
service center.
Incorrect bobbins will not work
properly. Only use a bobbin
designed specifically for this
machine.
Press the needle position button. The
thread cassette indicator lights up in
green.
Attach the presser foot that is
appropriate for the type of stitch that
you wish to sew.
Adjust the tension of the upper
thread.
Remove the tangle thread. If the
thread is tangled in the shuttle, clean
the shuttle.
Slide the drop feed lever to the left.
Lengthen the stitch length.
Attach the presser foot that is
appropriate for the type of stitch that
you wish to sew.
Remove the tangle thread. If the
thread is tangled in the shuttle, clean
the shuttle.
Contact your retailer or the nearest
authorized service center.
Reference
page 21
page 34
page 35
page 35
page 146
page 146
page 21
–
page 16
page 25
page 35
page 64
page 52
page 146
page 96
page 55
page 64
page 146
–
Troubleshooting 151
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