1
What to do when
1. Needle is not inserted properly.
2. Needle is bent or worn.
3. Incorrectly threaded.
4.Needle or thread are inappropriate for the
fabric being sewn.
5. Sewing on stretch fabric.
6. Inappropriate needle bar height.
7. Inappropriate needle to hook timing.
8. Inappropriate needle to hook clearance.
Insert the needle properly.
Change the needle.
Rethread.
Use the recommended sewing needle
and thread.
Use a HA x #11 blue tip needle.
See mechanical adjustment “Needle bar
height”. (Reference P.11)
See mechanical adjustment “Adjustment
of hook timing”. (Reference P.10)
See mechanical adjustment “Clearance
between needle and tip of the rotary
hook”. (Reference P.12)
1. Incorrect feed dog height.
2. Feed dog is in down position.
3.Thread on bottom side of fabric is jammed
up.
4. Feed dog teeth are worn.
Adjustment of Feed Dog Height.
(Reference P.13)
Raise the feed dog.
Make sure to bring both needle and bobbin
threads under the foot when start sewing.
Change the feed dog.
Condition
Cause
How to fix
Skipping
Stitches
Fabric not
moving
1. Thread path is incorrect.
2. Needle is bent or dull.
3. Top tension is too strong.
4. Needle size is inappropriate for fabric.
5. Needle eye is worn.
6. Needle hole in needle plate is worn or
burred.
Use the proper thread path.
Replace with a new needle.
Adjust top tension correctly.
Use appropriate needle for fabric and
thread in use.
Change the needle.
Repair the hole or replace the needle
plate.
Breaking
upper thread.
