
Troubleshooting
39
Problem
Possible cause
Solution
Stitches are be-
ing skipped.
The needle was inserted incorrectly. Reinsert the needle.
An unsuitable or defective needle
was used.
Use another needle.
The combination of needle size/
thread size/fabric is incorrect.
Change the needle or
thread.
Fibers or lint are trapped beneath
the throat plate
23
.
Use a fine brush to clean
the throat plate.
The thread has been improperly
guided through the machine.
Rethread the thread.
The presser foot is not pressed
down.
Lower the presser foot lever
to lower the presser foot.
The fabric curls
up.
The tension of the upper thread is
too high.
Reduce the tension of the
upper thread.
The thread has been improperly
guided through the machine.
Rethread the thread.
The wrong needle is being used.
Change the needle.
The combination of needle size/
thread size/fabric is incorrect.
Change the needle or
thread.
The fabric isn’t
being properly
fed through.
The combination of needle size/
thread size/fabric is incorrect.
Change the needle or
thread.
An unsuitable or defective needle
was used.
Change the needle.
The thread is tangled.
Rethread the thread.
The needle
breaks.
The needle was inserted incorrectly. Make sure you insert the
needle correctly.
A bad needle was used.
Use another needle.
The combination of needle size/
thread size/fabric is incorrect.
Change the needle or
thread.
The fabric is being pulled too much. Let the sewing machine ad-
vance the fabric. Don’t pull
on the fabric.