Troubleshooting - Brother Simplicity SB700T Operation Manual

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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
The sewing
machine does
not work.
The needle
breaks.
The upper
thread breaks.
Possible cause
The machine is not plugged in.
The main power switch is turned off. Turn on the main power switch.
The bobbin winder shaft is pushed to
the right.
You have not used the foot control-
ler properly.
The needle is not fitted properly.
The needle clamp screw is loose.
The needle is bent or blunt.
You have not used the right combi-
nation of fabric, thread and needle.
The presser foot you are using is not
appropriate for the type of stitch that
you want to sew.
The upper thread tension is too tight. Loosen the upper thread tension.
You are pulling the fabric too much.
The area around the hole in the nee-
dle plate is scratched.
The area around the hole in the
presser foot is scratched.
The bobbin case is scratched.
You have not used a bobbin that has
been designed for this machine.
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.)
There are knots or tangles in the
thread.
The needle is not appropriate for the
thread you are using.
The upper thread tension is too tight. Loosen the upper thread tension.
The thread is tangled, for example,
in the bobbin case.
The needle is bent or blunt.
How to put it right
Plug the machine in.
Move the bobbin winder shaft to the
left.
Use the foot controller properly.
Fit the needle properly.
Use the screwdriver to firmly tighten
the screw.
Replace the needle.
Choose a thread and needle that are
appropriate for the type of fabric.
Attach the presser foot that is correct
for the type of stitch that you want to
sew.
Lightly guide the fabric.
Replace the needle plate.
Contact your retailer or the nearest
authorized service center.
Replace the presser foot.
Contact your retailer or the nearest
authorized service center.
Replace the bobbin case.
Contact your retailer or the nearest
authorized service center.
Incorrect bobbins will not work
properly. Only use a bobbin that has
been designed for this machine.
Correct the upper threading.
Remove any knots or tangles.
Choose a needle that is appropriate
for the type of stitch.
Remove the tangle thread. If the
thread is tangled in the bobbin case,
clean the bobbin case.
Replace the needle.
Reference
page 9
page 9
page 12, 13
page 10
page 21
page 22
4
page 21
page 20
page 56
page 29
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