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35
TROUBLESHOOTING
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://solutions.brother.com ”. If the problem persists, contact your dealer or the
nearest authorized service center.
Symptom Possible cause How to put it right Page
The sewing
machine does
not work.
The main power switch is turned off. Turn on the main power switch. 7
The bobbin-winder shaft is pushed to the
right. Move the bobbin-winder shaft to the
left. 12
You have not used the foot controller
properly. Use the foot controller properly. 7
Fabric being
sewn with the
machine
cannot be
removed.
Thread is tangled below the needle plate. Lift up the fabric and cut the threads
below it, and clean the race. 33
The needle
breaks.
The needle is incorrectly installed. Correctly install the needle. 7
The needle clamp screw is loose. Use the screwdriver to firmly tighten
the screw. 8
The needle is bent or blunt. Replace the needle. 7
The upper thread was not threaded
correctly. Correct the upper threading. 14
You have not used the right combination of
fabric, thread and needle. Choose a thread and needle that are
appropriate for the type of fabric. 17
The presser foot you are using is not
appropriate for the type of stitch that you
want to sew.
Attach the presser foot that is correct
for the type of stitch that you want to
sew. –
The upper thread tension is too tight. Loosen the upper thread tension. 21
You are pulling the fabric too much. Lightly guide the fabric. –
You have not fitted the spool properly.
Fit the spool properly. 14
The area around the hole in the needle
plate or the presser foot is scratched.
Replace the needle plate.
Contact your retailer or the nearest
authorized service center. –
The bobbin case is scratched. Replace the bobbin case.
Contact your retailer or the nearest
authorized service center. –
You have not used a bobbin that has been
designed for this machine. Use a bobbin that has been designed
for this machine. 11
The upper
thread
breaks.
You have not threaded the upper thread
properly. (For example, you have not fitted
the spool properly, or the thread has come
out of the guide above the needle.)
Correct the upper threading. 14
There are knots or tangles in the thread. Remove any knots or tangles. –
The needle is not appropriate for the thread
you are using. Choose a needle that is appropriate for
the type of stitch. 17
▼The upper thread tension is too tight. Loosen the upper thread tension. 21