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4
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
Reference
The sewing
machine does
not work.
The machine is not plugged in.
Plug the machine in.
page 8
The main power switch is turned off. Turn on the main power switch.
page 8
The bobbin winder shaft is pushed to
the right.
Move the bobbin winder shaft to the
left.
page 11
You have not used the foot control-
ler properly.
Use the foot controller properly.
page 9
The needle
breaks.
You have not inserted the needle
properly.
Insert the needle properly.
page 16
The needle clamp screw is loose.
Use a coin or screwdriver to firmly
tighten the screw.
page 17
The needle is bent or blunt.
Replace the needle.
page 16
You have not used the right combi-
nation of fabric, thread and needle.
Choose a thread and needle that are
appropriate for the type of fabric.
page 15
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.
page 29, 30,
31, 33, 34
The upper thread tension is too tight. Loosen the upper thread tension.
page 24
You are pulling the fabric too much.
Lightly guide the fabric.
–
The area around the hole in the nee-
dle plate is scratched.
Replace the needle plate.
Contact your retailer or the nearest
authorized service center.
–
The area around the hole in the
presser foot is scratched.
Replace the presser foot.
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.
Incorrect bobbins will not work
properly. Only use a bobbin that has
been designed for this machine.
page 10
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.
page 13
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.
page 15
The upper thread tension is too tight. Loosen the upper thread tension.
page 24
The thread is tangled, for example,
in the shuttle race.
Remove the tangle thread. If the
thread is tangled in the shuttle race,
clean the shuttle race.
page 39
