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TROUBLESHOOTING
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TROUBLESHOOTING
If you have a minor problem with your sewing machine, check the following solutions. If the solutions
suggested do not correct the problem, contact your authorized dealer. You can also press then
for advice about minor sewing problems during sewing. Press at any time to return to
the original screen.
Problem Cause Solution Page
Upper thread breaks Machine is not threaded correctly (used the
wrong spool cap, spool cap is loose, the thread
did not catch the needle bar threader, etc.)
Rethread the machine correctly. 25
Thread is knotted or tangled. Rethread upper and lower thread. 22, 25
Thread is too thick for the needle. Check needle and thread combinations. 36
Upper thread tension is too strong. Adjust the thread tension. 43, 154
Thread is twisted. Use scissors, etc., to cut the twisted thread
and remove it from the race, etc.
—
Needle is turned, bent or the point is dull. Replace the needle. 34
Needle is installed incorrectly. Reinstall the needle correctly. 34
There are scratches near the hole of the needle
plate.
Replace the needle plate, or consult your
authorized dealer.
55
There are scratches near the hole in the presser
foot.
Replace the presser foot, or consult your
authorized dealer.
32
There are scratches on the race. Replace the race, or consult your authorized
dealer.
210
Bobbin thread breaks Bobbin is set incorrectly. Reset the bobbin thread correctly. 22
There are scratches on the bobbin or it doesn’t
rotate properly.
Replace the bobbin. 22
Thread is twisted. Use scissors, etc. to cut the twisted thread
and remove it from the race, etc.
—
Skipped stitches Machine is threaded incorrectly. Check the steps for threading the machine
and rethread it correctly.
25
Using improper needle or thread for the
selected fabric.
Check the “Fabric/Thread/Needle
Combination” chart.
36
Needle is turned, bent or the point is dull. Replace the needle. 34
Needle is installed incorrectly. Reinstall the needle correctly. 34
Needle is defective. Replace the needle. 34
Dust or lint has collected under the needle plate. Remove the dust or lint with the brush. 210
Fabric puckers There is a mistake in the upper or bobbin
threading.
Check the steps for threading the machine
and rethread it correctly.
22, 25
Spool cap is set incorrectly. Check the method for attaching the spool cap,
then reattach the spool cap.
25
Using improper needle or thread for the
selected fabric.
Check the “Fabric/Thread/Needle
Combination” chart.
36
Needle is turned, bent or the point is dull. Replace the needle. 34
Stitches are too long when sewing thin fabrics. Shorten the stitch length. 42
Thread tension is set incorrectly. Adjust the thread tension. 43, 154
Wrong presser foot. Use the correct presser foot. “STITCH SETTING
CHART”
High-pitched sound
while sewing
Dust or lint is caught in the feed dogs. Remove the dust or lint. 210
Pieces of thread are caught in the race. Clean the race. 210
Upper threading is incorrect. Check the steps for threading the machine
and rethread the machine.
25
There are scratches on the race. Replace the race, or consult your authorized
dealer.
210
Cannot thread the
needle
Needle is not in the correct position. Press the “Needle Position” button to raise the
needle.
3
Threading hook does not pass through the eye
of the needle.
Press the “Needle Position” button to raise the
needle.
3
Needle is installed incorrectly. Reinstall the needle correctly. 34