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Symptom, Cause/solution
Upper threading is incorrect.
A bobbin designed specifically for this machine is
not being used.
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.
• Press
, and then turn the handwheel to
raise the feed dogs.
Stitches are too close together.
Wrong presser foot.
Needle is turned, bent or the point is dull.
Thread is entangled.
Zigzag foot "J" is slanted on a thick seam at the
beginning of stitching.
The fabric feeds in the opposite direction.
The feed mechanism is damaged.
The needle contacts the needle plate.
The needle clamp screw is loose.
Needle is turned, bent or the point is dull.
Fabric being sewn with the machine cannot be
removed.
Thread is tangled below the needle plate.
A broken needle has fallen into the machine.
• Turn off the machine, and then 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.
Before turning on the machine, slowly turn the
handwheel toward you to check that it turns
smoothly. If the handwheel does not turn
smoothly or the needle that fell into the
machine cannot be removed, consult your
authorized Brother dealer.
The handwheel feels sluggish when it is turned.
Thread is tangled in the bobbin case.
■ After Finishing an Operation
Reference
Symptom, Cause/solution
42
Thread tension is incorrect.
36
Upper threading is incorrect.
Bobbin is set incorrectly.
176
Using improper needle or thread for the selected
fabric.
Presser foot holder is not attached correctly.
Thread tension is set incorrectly.
Bobbin thread is incorrectly wound.
80
Needle is turned, bent or the point is dull.
A bobbin designed specifically for this machine is
not being used.
62
Character or decorative stitch patterns are misaligned.
194
Stitch pattern adjustment settings were set
incorrectly.
48
180
Stitch pattern does not turn out.
69
Wrong presser foot.
Did not use a stabilizer material on thin fabrics or
stretch fabrics.
Thread tension is set incorrectly.
Fabric was pulled, pushed or fed at an angle while
it was being sewn.
*
• Sew while guiding the fabric with your hands so
that the fabric is fed in a straight line.
The thread is tangled, for example, in the bobbin
case.
48
48
179
180
179
TROUBLESHOOTING
Reference
42
40
49
50
62, 143
36
48
36
97
194
70
62, 143
56
179
185
7
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