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TROUBLESHOOTING
SKIPPED STITCHES AND THREAD
BREAKAGES OCCUR
Needle tip is broken.
Replace needle.
Needle is bent.
Replace needle.
Needle is not installed
correctly.
Install the needle correctly.
Refer to pages 30 - 31.
Upper thread tension is
too tight.
Adjust the thread
tension.
Refer to pages 32 - 33.
To check the elasticity of
the thread, hold a length
of thread of about 6
inches at both ends and
pull it, check the length
at which it breaks. If
using a highly-elastic
thread, reduce the upper
thread tension.
84
Thread path is
incorrect.
Refer to pages 24 - 25.
Thread is tangled
around spool holder.
Refer to pages 24 - 25.
Thread scraps or
material scraps have
collected under the
needle plate.
Remove the scraps.
Refer to pages 94 - 95.
A thin needle is being
used for heavy
material.
Replace with a thicker
needle.
Normally a #14
needle should be
used.
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