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TROUBLESHOOTING
212
■ After sewing
Problem Cause Solution Page
Thread tension is
incorrect.
Upper threading is incorrect. Check the steps for threading the machine and
rethread the machine.
61
Bobbin is set incorrectly. Reset the bobbin. (If needle plate was
removed, reinstall needle plate and tighten
screws prior to installing bobbin case.)
58
Using improper needle or thread for the
selected fabric.
Check the “Fabric/Thread/Needle
Combinations” chart.
71
Presser foot holder is not attached correctly. Reattach the presser foot holder correctly. —
Thread tension is set incorrectly. Adjust the thread tension. 87
Bobbin thread is incorrectly wound. Use a correctly wound bobbin. 52
Needle is turned, bent or the point is dull. Replace the needle. 69
A bobbin designed specifically for this
machine is not used.
Incorrect bobbins will not work properly. Only
use a bobbin designed specifically for this
machine.
58
Character or
decorative stitch
patterns are
misaligned.
Stitch pattern adjustment settings were set
incorrectly.
Revise the stitch pattern adjustment settings. 164
Stitch pattern does
not turn out.
Wrong presser foot was used. Attach the correct presser foot. 218
Did not use a stabilizer material on thin fabrics
or stretch fabrics.
Attach a stabilizer material. 163
Thread tension is set incorrectly. Adjust the thread tension. 87
Fabric was pulled, pushed or fed at an angle
while it was being sewn.
Sew while guiding the fabric with your hands
so that the fabric is fed in a straight line.
77
The thread is tangled, for example, in the
bobbin case.
Remove the tangle thread. If the thread is
tangled in the bobbin case, clean the race.
198
CAUTION
• This machine is equipped with a thread detection device. If the “Start/Stop” button is pushed before the
upper threading is done, the machine will not operate properly.
• If the power is disconnected during sewing:
Turn the main power to OFF and unplug the machine.
If you restart the machine, follow the Operation Manual for operating the machine correctly.
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