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Troubleshooting
85
APPENDIX
5
■ After sewing
Skipped stitches
Machine is threaded incorrectly. 13, 17
Using improper needle or thread for the selected
fabric.
21
Needle is turned, bent or the point is dull. 22
Needle is installed incorrectly. 22
Dust or lint has collected under the needle plate. 77
Thin or stretch fabrics are being sewn.
• Attach stabilizer material to the fabric.
32
Not stitching
Needle is turned, bent or the point is dull. 22
Bobbin is set incorrectly. 16
Upper threading is incorrect. 17
High-pitched sound while sewing
Dust or lint is caught in the feed dogs. 77
Pieces of thread are caught in the race. 77
Upper threading is incorrect. 17
A bobbin designed specifically for this machine is
not used.
13
There are needle holes or friction scratches in the
bobbin case.
*
Fabric does not feed through the machine.
Feed dogs are set in the down position.
• Slide the feed dog position switch to the right
().
5
Stitches are too close together. 29
Wrong presser foot was used. 23
Needle is turned, bent or the point is dull. 22
Thread is entangled. 80
Zigzag foot “J” is slanted on a thick seam at the
beginning of stitching.
32
The fabric feeds in the opposite direction.
The feed mechanism is damaged. *
The needle contacts the needle plate.
The needle clamp screw is loose. 22
Needle is turned, bent or the point is dull. 22
Symptom, Cause/solution
Reference
Fabric being sewn with the machine cannot be
removed.
Thread is tangled below the needle plate. 80
A broken needle has fallen into the machine.
• Turn off the machine, and remove the needle
plate. If the needle that fell into the machine
can be seen, use tweezers to remove it. After
removing the needle, return the needle plate to
its original position and insert a new needle.
Before turning on the machine, slowly turn the
handwheel toward you to check that it turns
smoothly and that the new needle enters
through the center of the needle plate opening.
If the handwheel does not turn smoothly or the
needle that fell into the machine cannot be
removed, consult your authorized Brother
dealer or the nearest Brother authorized
service center.
80
The handwheel does not turn smoothly.
Thread is tangled in the bobbin case. 77, 79,
80
Symptom, Cause/solution
Reference
Thread tension is incorrect.
Upper threading is incorrect. 17, 79
Bobbin is set incorrectly. 16, 79
Using improper needle or thread for the selected
fabric.
21
Presser foot holder is not attached correctly. 23
Thread tension is set incorrectly. 29, 79
Bobbin thread is incorrectly wound. 16
Needle is turned, bent or the point is dull. 22
A bobbin designed specifically for this machine is
not used.
13
Decorative stitch patterns are misaligned.
Wrong presser foot was used. 35
Stitch pattern adjustment settings were set
incorrectly.
54
Stitch pattern is irregular.
Wrong presser foot was used. 23
Thin or stretch fabrics are being sewn.
• Attach stabilizer material to the fabric.
32
Thread tension is set incorrectly. 29, 79
Symptom, Cause/solution
Reference
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