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TROUBLESHOOTING
Maintenance and Troubleshooting
Appendix A-19
A
2
If the machine stops operating correctly, check the following possible problems before requesting service.
You can solve most problems by yourself. If you need additional help, the Brother Solutions Center offers
the latest FAQs and troubleshooting tips. Visit us at “ http://support.brother.com/
”.
If the problem persists, contact your dealer or the nearest authorized service center.
TROUBLESHOOTING
Problem Cause Solution Page
The thread is tangled
on the wrong side of
the fabric.
Upper threading is incorrect. Check the steps for threading the machine
and rethread the machine.
B-38
Using improper needle or thread for the
selected fabric.
Check the information about the needle and
thread to be used.
B-46, E-21
The upper thread is
too tight.
The bobbin thread is incorrectly installed. Correctly install the bobbin thread. B-36
Cannot thread the
needle
Needle is not in the correct position. Press the “Needle Position” button to raise
the needle.
B-10
Needle is installed incorrectly. Reinstall the needle correctly. B-45
Needle is turned, bent or the point is dull. Replace the needle. B-45
Cannot lower the
presser foot with the
presser foot lever
Presser foot was raised using the “Presser Foot
Lifter” button.
Press the “Presser Foot Lifter” button to
lower the presser foot.
B-10
Thread tension is
incorrect
Upper threading is incorrect. Check the steps for threading the machine
and rethread the machine.
B-38
Bobbin is set incorrectly. Reset the bobbin. (If needle plate was
removed, reinstall needle plate and tighten
screws prior to installing bobbin case.)
B-36
Using improper needle or thread for the
selected fabric.
Check the information about the needle and
thread to be used.
B-46, E-21
Embroidery foot is not attached correctly. Reattach the embroidery foot correctly. B-42
Thread tension is set incorrectly. Adjust the thread tension. E-30
Bobbin thread is incorrectly wound. Use a correctly wound bobbin. B-31
Needle is turned, bent or the point is dull. Replace the needle. B-45
Upper thread breaks Machine is not threaded correctly (used the
wrong spool cap, spool cap is loose, the thread
did not catch the needle bar threader, etc.)
Rethread the machine correctly. B-38
Needle is turned, bent or the point is dull. Replace the needle. B-45
There are scratches on the bobbin case. Replace the bobbin case, or consult your
authorized dealer.
A-15
Upper thread tension is too strong. Adjust the thread tension. E-30
Using improper needle or thread for the
selected fabric.
Check the information about the needle and
thread to be used.
B-46, E-21
Thread is twisted. Use scissors, etc., to cut the twisted thread
and remove it from the race, etc.
—
There are scratches near the hole in the presser
foot.
Replace the presser foot, or consult your
authorized dealer.
B-42
Needle is installed incorrectly. Reinstall the needle correctly. B-45
Thread is knotted or tangled. Rethread upper and lower thread. B-36, B-38
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-36
Bobbin thread breaks Bobbin is set incorrectly. Reset the bobbin thread correctly. B-36
There are scratches on the bobbin or it doesn’t
rotate properly.
Replace the bobbin. B-36
Thread is twisted. Use scissors, etc. to cut the twisted thread
and remove it from the race, etc.
—
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-36
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