Cleaning
37
Problem Possible cause Solution
The fabric
puckers.
The upper thread tension is too
high.
Relax the upper thread
tension.
The thread guidance is incorrect. Re-thread the threads.
The incorrect needle is used. Change the needle.
The needle size/denier/fabric com-
bination is incorrect.
Change the needle and/or
the thread.
The fabric is
incorrectly
transported.
The needle size/denier/fabric com-
bination is incorrect.
Change the needle and/or
the thread.
An unsuitable or defective needle
is used.
Change the needle.
The thread is snagged. Re-thread the threads.
The needle
breaks.
The needle was inserted
incorrectly.
Make sure you insert the
needle correctly.
An inferior needle has been used. Use another needle.
The needle size/denier/fabric com-
bination is incorrect.
Change the needle and/or
the thread.
The fabric is pulled too tight. Allow the sewing machine
to move the fabric along. Do
not pull on the fabric.
Cleaning
NOTICE!
Risk of short circuit!
Water or other liquids that have penetrated the housing may cause
a short circuit.
− Never immerse the sewing machine in water or other liquids.
− Make sure that no water or other liquids get into the housing.
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