What to Do When
Condition Cause How to fix Reference
1. Skipped 1. Needle is not inserted Insert the needle properly.
stitches properly.
2. Needle is bent or worn. Change the needle.
3. Incorrectly threaded. Rethread.
4. Needle or thread is Use the recommended
inappropriate for fabric sewing needle and thread.
being sewn.
5. Sewing on stretch fabric. Use a #11 blue tip needle.
6. Presser foot pressure is too Adjust the presser bar level to
weak. make the pressure stronger.
7. Inappropriate needle bar See mechanical adjustment p.15
height. “needle bar height”.
8. Inappropriate needle to See mechanical adjustment p.16
shuttle timing. “needle to shuttle timing”.
9. Inappropriate needle to see mechanical adjustment p.17
shuttle clearance. “needle clearance to shuttle.”
2. Fabric not 1. Presser foot pressure is too Adjust the presser bar level to
moving weak. make the pressure stronger.
2. Incorrect f.d. height. See mechanical adjustment p.14
“feed dog height.”
3. F.d. is in down position. Raise the f.d.
4. Thread on bottom side of Make sure to bring both needle
fabric is jammed up. and bobbin thread under the
foot when starting sewing.
5. Feed dog teeth are worn. Change the feed dog.
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