SINGER CE-150 Futura - Manual (Page 82)

TROUBLESHOOTING
SKIPPED STITCHES AND THREAD
BREAKAGES OCCUR
Needle is not installed
correctly.
Install the needle correctly.
Refer to pages 96 - 97.
Upper thread tension is
too tight.
Adjust the thread tension.
Refer to pages 92 - 93.
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.
Remove the thread
or fabric bits. Refer to
pages 100 - 101.
Replace with a thicker
needle. Generally, at
least a #14 needle
should be used.
Replace needle.
Replace needle.
Needle tip is broken.
Needle is bent.
Refer to pages 18 - 21.
Thread is tangled
around spool holder.
Refer to pages 12 - 13.
Thread path is
incorrect.
Thread or fabric bits
have collected under
the needle plate.
A thin needle is
being used for heavy
material.