Fabric too heavy or hard
22
Faults and solutions
Malfunction
Cause
Solution
Needle breaks
Needle is bent
Needle is inserted
incorrectly
Needle holding screw too
loose
Re-insert the needle (page 19)
Re-insert the needle (page 19)
Remove and re-insert a new
needle (page 19)
Machine stopped
by knotted thread
Thread knotted under
the fabric
Needle can’t go
through the fabric
Turn off the power, pull out the
thread by turning hand wheel
back and forth
Maximum thickness of cloth
sewed by this model is 4 layers
of 12oz jean (page 6)
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