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Troubleshooting
Appendix A-15
MAINTENANCE AND TROUBLESHOOTING
A
Fabric puckers.
There is a mistake in the upper or bobbin
threading.
Check the steps for threading the machine and
rethread it correctly.
B-21
Spool cap is set incorrectly.
Check the method for attaching the spool cap,
then reattach the spool cap.
B-21
Using improper needle or thread for the
selected fabric.
Check the “Fabric/Thread/Needle Combination”
chart.
B-28
Needle is turned, bent or the point is dull. Replace the needle. B-29
Stitches are too long when sewing thin fabrics. Shorten the stitch length. B-39
Thread tension is set incorrectly. Adjust the thread tension. B-40
Wrong presser foot. Use the correct presser foot. B-32
Skipped stitches
Machine is threaded incorrectly.
Check the steps for threading the machine and
rethread it correctly.
B-21
Using improper needle or thread for the
selected fabric.
Check the “Fabric/Thread/Needle Combination”
chart.
B-28
Needle is turned, bent or the point is dull. Replace the needle. B-29
Needle is installed incorrectly. Reinstall the needle correctly. B-29
The needle is worn/damaged. Replace the needle. B-29
Dust or lint has collected under the needle
plate.
Remove the dust or lint with the brush. A-2
Thin or stretch fabrics are being sewn.
Sew with one sheet of thin paper under the
fabric.
S-4, D-3
No stitching
Needle is turned, bent or the point is dull. Replace the needle. B-29
Bobbin is set incorrectly. Reset the bobbin thread correctly. B-18
Upper threading is incorrect.
Check the steps for threading the machine and
rethread the machine.
B-21
High-pitched
sound while
sewing
Dust or lint is caught in the feed dogs. Remove the dust or lint. A-2
Pieces of thread are caught in the race. Clean the race. A-2
Upper threading is incorrect.
Check the steps for threading the machine and
rethread the machine.
B-21
A bobbin designed specifically for this machine
is not used.
Incorrect bobbins will not work properly. Only
use a bobbin designed specifically for this
machine.
B-15
There are needle holes or friction scratches in
the bobbin case.
Replace the bobbin case, or consult your
authorized Brother dealer.
A-2
Fabric does not
feed through the
machine.
Feed dogs are set in the down position.
Slide the feed dog position switch to the right
.
B-2
Stitches are too close together. Lengthen the stitch length setting. B-39
Wrong presser foot was used. Use the correct presser foot. B-32
Needle is turned, bent or the point is dull. Replace the needle. B-29
Thread is entangled.
Cut the entangled thread and remove it from the
race.
A-8
Zigzag foot “J” is slanted on a thick seam at the
beginning of stitching.
Use the presser foot locking pin (black button
on the left side) on zigzag foot “J” to keep the
presser foot level while sewing.
S-4
Presser foot pressure is set incorrectly for
fabric.
Adjust the presser foot pressure
within the settings screen.
B-43
Symptom Probable Cause Remedy Reference
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