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Symptom
Fabric is fed forcefully when sewing thick fabric
Needle breaks.
or thick seams.
Stitch length is too short.
Stabilizer is not attached to fabric being
embroidered.
Bobbin thread is incorrectly wound.
Machine is not threaded correctly (used the
Upper thread
wrong spool cap, spool cap is loose, the thread
breaks.
did not catch the needle bar threader, etc.)
Knotted or tangled thread is being used.
The selected needle is not appropriate for the
thread being used.
Upper thread tension is too tight.
Thread is tangled.
Needle is turned, bent or the point is dull.
Needle is installed incorrectly.
There are scratches around the opening of the
needle plate.
There are scratches around the opening in the
presser foot.
There are scratches on the bobbin case.
Using improper needle or thread for the
selected fabric.
While sewing, the thread became knotted or
tangled.
A bobbin designed specifically for this machine
is not used.
Upper threading is incorrect.
The thread is
tangled on the
wrong side of the
fabric.
Using improper needle or thread for the
selected fabric.
The bobbin thread is incorrectly installed.
The upper thread is
too tight.
Bobbin is set incorrectly.
Bobbin thread
breaks.
Bobbin thread is incorrectly wound.
There are scratches on the bobbin or it doesn't
rotate properly.
Thread is tangled.
A bobbin designed specifically for this machine
is not used.
Probable Cause
Remedy
Allow the fabric to be fed without being
forcefully pushed.
Adjust the stitch length.
Attach stabilizer.
Use a correctly wound bobbin.
Rethread the machine correctly.
Remove any knots or tangles.
Select a needle that is appropriate for the type
of thread being used.
Adjust the thread tension.
Use scissors, etc., to cut the tangled thread and
remove it from the race, etc.
Replace the needle.
Reinstall the needle correctly.
Replace the needle plate, or consult your
authorized Baby Lock retailer.
Replace the presser foot, or consult your
authorized Baby Lock retailer.
Replace the bobbin case, or consult your
authorized Baby Lock retailer.
Check the "Fabric/thread/needle combinations"
chart.
Rethread upper and lower thread.
Incorrect bobbins will not work properly. Only
use a bobbin designed specifically for this
machine.
Check the steps for threading the machine and
rethread the machine. Be sure that the presser
foot is in the raised position when threading the
machine so that the upper thread sets properly
in the upper tension.
Check the "Fabric/thread/needle combinations"
chart.
Correctly install the bobbin thread.
Reset the bobbin correctly.
Use a correctly wound bobbin.
Replace the bobbin.
Use scissors, etc. to cut the tangled thread and
remove it from the race, etc.
Incorrect bobbins will not work properly. Only
use a bobbin designed specifically for this
machine.
Troubleshooting
Reference
S-4
B-40
B-57
B-56
B-24
–
B-30
B-41
A-6
B-31
B-31
A
A-8
B-33
A-2
B-30
B-21, B-24
B-18
B-24, A-6
B-30
B-21, A-5
B-21
B-18
B-21
A-8
B-18
Appendix A-15
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Table of Contents
Troubleshooting
