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9-8 Troubleshooting
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CONTENTS
Index
1 Needle is installed incorrectly.
2 Needle clamp screw is not tightened.
3 Needle is turned or bent.
4 Using improper needle or thread for the
selected fabric.
5 Wrong presser foot was used.
6 Upper thread tension is too strong.
7 Fabric is pulled during sewing.
8 Spool cap is set incorrectly.
9 There are scratches around the holes
in the needle plate.
0 There are scratches around the hole(s)
in the presser foot.
A There are scratches on the race.
B Needle is defective.
1 Feed dogs are set in the down position.
2 Stitches are too close together.
3 Wrong presser foot was used.
4 Needle is turned, bent or the point is dull.
5 Thread is entangled.
Problem Cause
PageSolution
Reinstall the needle correctly.
Tighten the needle clamp screw.
Replace the needle.
Check the “Fabric/Thread/Needle
Combination” chart.
Use the recommended presser
foot.
Adjust the thread tension setting.
Do not pull the fabric during sew-
ing.
Check the method for attaching the
spool cap, then reattach the spool
cap.
Replace the needle plate, or con-
sult your authorized dealer.
Replace the presser foot, or con-
sult your authorized dealer.
Replace the race, or consult your
authorized dealer .
Replace the needle.
Use the feed dog position lever to
raise the feed dogs.
Lengthen the stitch length setting.
Use the correct presser foot.
Replace the needle.
Cut the entangled thread and re-
move it from the race.
Fabric does
not feed
through the
machine
Needle
breaks
1-43
1-44
1-43
1-45
3-1
2-13, 5-40
—
1-33
8-2
1-39
8-2
1-43
1-6
2-9
3-1
1-43
7-2