Brother International CS-80 Users Manual - English - Page 109

Symptom, Probable Cause, Remedy, Reference

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S2_brotherE.book Page 103 Thursday, February 13, 2003 11:03 AM Symptom Probable Cause Remedy Reference The upper thread was not threaded correctly (for example, the spool is not installed correctly, the spool cap is too big for the spool being used, or the thread has come out of the needle bar thread hook). Correct the upper threading. page 18 There are knots or tangles in the thread. Remove any knots or tangles. - The selected needle is not appropri- Select a needle that is appropriate ate for the thread being used. for the type of stitch being used. page 30 The upper thread tension is too tight. Loosen the upper thread tension. page 50 The upper thread breaks. The thread is tangled, for example, in the shuttle. The needle is bent or blunt. The needle is incorrectly installed. Remove the tangle thread. If the thread is tangled in the shuttle, clean the shuttle. Replace the needle. Correctly install the needle. page 100 page 31 The area around the hole in the nee- Replace the needle plate. dle plate is scratched, or has a burr Contact your retailer or the nearest - on it. authorized service center. The area around the hole in the Replace the presser foot. presser foot is scratched, or has a Contact your retailer or the nearest - burr on it. authorized service center. 4 The shuttle is scratched, or has a burr on it. Replace the shuttle. Contact your retailer or the nearest authorized service center. - 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. page 12 The bobbin thread is incorrectly installed. Correctly install the bobbin thread. page 16 The lower thread is tangled or breaks. The bobbin is scratched or does not rotate smoothly, or has a burr on it. The thread is tangled. Replace the bobbin. Remove the tangled thread and clean the shuttle. - page 100 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. page 12 The upper thread was not threaded correctly. Correct the upper threading. page 18 The bobbin thread is incorrectly installed. Correctly install the bobbin thread. page 16 The thread tension is incorrect. The combination of fabric, thread and needle is not correct. The presser foot holder is incorrectly installed. Select a thread and needle that are appropriate for the type of fabric being sewn. Correctly install the presser foot holder. page 30 page 37 The thread tension is incorrect. Adjust the tension of the upper thread. page 50 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. page 12 Troubleshooting 103

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Troubleshooting
103
4
The upper
thread breaks.
The upper thread was not threaded
correctly (for example, the spool is
not installed correctly, the spool cap
is too big for the spool being used, or
the thread has come out of the nee-
dle bar thread hook).
Correct the upper threading.
page 18
There are knots or tangles in the
thread.
Remove any knots or tangles.
–
The selected needle is not appropri-
ate for the thread being used.
Select a needle that is appropriate
for the type of stitch being used.
page 30
The upper thread tension is too tight.
Loosen the upper thread tension.
page 50
The thread is tangled, for example,
in the shuttle.
Remove the tangle thread. If the
thread is tangled in the shuttle, clean
the shuttle.
page 100
The needle is bent or blunt.
Replace the needle.
page 31
The needle is incorrectly installed.
Correctly install the needle.
The area around the hole in the nee-
dle plate is scratched, or has a burr
on it.
Replace the needle plate.
Contact your retailer or the nearest
authorized service center.
–
The area around the hole in the
presser foot is scratched, or has a
burr on it.
Replace the presser foot.
Contact your retailer or the nearest
authorized service center.
–
The shuttle is scratched, or has a
burr on it.
Replace the shuttle.
Contact your retailer or the nearest
authorized service center.
–
A bobbin designed specifically for
this machine is not used.
Incorrect bobbins will not work prop-
erly. Only use a bobbin designed spe-
cifically for this machine.
page 12
The lower
thread is tangled
or breaks.
The bobbin thread is incorrectly
installed.
Correctly install the bobbin thread.
page 16
The bobbin is scratched or does not
rotate smoothly, or has a burr on it.
Replace the bobbin.
–
The thread is tangled.
Remove the tangled thread and
clean the shuttle.
page 100
A bobbin designed specifically for
this machine is not used.
Incorrect bobbins will not work prop-
erly. Only use a bobbin designed spe-
cifically for this machine.
page 12
The thread ten-
sion is incorrect.
The upper thread was not threaded
correctly.
Correct the upper threading.
page 18
The bobbin thread is incorrectly
installed.
Correctly install the bobbin thread.
page 16
The combination of fabric, thread
and needle is not correct.
Select a thread and needle that are
appropriate for the type of fabric
being sewn.
page 30
The presser foot holder is incorrectly
installed.
Correctly install the presser foot
holder.
page 37
The thread tension is incorrect.
Adjust the tension of the upper
thread.
page 50
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.
page 12
Symptom
Probable Cause
Remedy
Reference
S2_brotherE.book
Page 103
Thursday, February 13, 2003
11:03 AM