Trouble chart – SINGER W1505 User Manual
Page 45
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23. TROUBLE CHART
/
PROBLEM
PROBABLE CAUSE
CORRECTION
Breaking lower
thread
Thread not wound evenly on the bobbin
or not drawn up correctly
P . 1 1 , P . 1 4
Lower thread tension too tight
P . 1 3
Lint stuck in the bobbin case and inside
the tension spring
Remove lint
and fluff with a
cleaning brush
Skipping stitches
Needle not fully inserted
P. 8
Needle bent
P. 8
Size or type of needle and thread not
suitable for the material
P . 1 6
Incorrect upper threading
P . 1 4
Too much oil on the hook
P . 4 1
Irregular stitches
Incorrect size of needle for the material
P . 1 4
Upper thread tension too loose
P.20
Incorrect lower tension
P . 1 2
The material not
fed correctly
Pattern selection dial not set correctly
Lint stuck on the feed dog
P . 1 8
P.40
J
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