Kenmore 15 - Machine Jamming and Fabric Movement Issues

WHAT TO DO
PROBLEM PROBABLE CAUSE CORRECTION
Skipping
Stitches
Incorrect size needle.
Bent or blunt needle.
Incorrect setting of needle.
Tight upper thread tension.
Light pressure on presser foot.
Choose correct size needle for thread and fabric (page 5).
Insert new needle (page 5).
Reset needle (page 5).
Loosen upper thread tension (page 12).
Increase pressure on presser foot (page 10).
Breaking Upper
Thread
Starting to stitch too fast.
Improper threading.
Tight upper thread tension.
Incorrect size needle.
Sharp eye in needle.
Start to stitch at a medium speed.
Rethread machine (page 9).
Loosen upper thread tension (page 12).
Choose correct size needle for thread and fabric (page 5).
Insert new needle (page 5).
Breaking Bobbin
Thread
Improper bobbin case threading.
Tight bobbin thread tension.
Lint in bobbin case or shuttle.
Check bobbin case threading (page 8).
Loosen bobbin thread tension (page 13).
Clean bobbin case and shuttle (page 28, 29).
Fabric not
Moving
Feed dog down.
Light pressure on presser foot.
Threads knotted under fabric.
Raise feed dog (page 15).
Increase pressure on presser foot (page 10).
Place both threads back under presser foot before
beginning to stitch.
Machine Jamming
(Knocking Noise)
Thread caught in shuttle. Disassemble and clean shuttle (page 28, 29).
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