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Troubleshooting 75
3
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The upper thread
breaks.
The thread is tangled, for example,
in the bobbin case.
Remove the tangled thread. If the
thread is tangled in the bobbin case,
clean the race.
page 70
The needle is bent or blunt. Replace the needle.
page 35
The needle is incorrectly installed. Correctly install the needle.
The area around the hole in the
needle 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
embroidery foot is scratched, or
has a burr on it.
Replace the embroidery foot. Contact
your retailer or the nearest authorized
service center.
–
The bobbin case is scratched, or
has a burr on it.
Replace the bobbin case. 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 24
Bobbin thread
does not wind
neatly on the
bobbin.
The thread that was pulled out
was not wound onto the bobbin
correctly.
Wind the thread that was pulled off
around the bobbin five or six times
clockwise.
page 26
The lower thread
is tangled or
breaks.
The bobbin thread is incorrectly
installed.
Correctly install the bobbin thread. page 28
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 race.
page 70
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 24
The thread tension
is incorrect.
The upper thread was not
threaded correctly.
Correct the upper threading. page 30
The bobbin thread is incorrectly
installed.
Correctly install the bobbin thread. page 28
The thread tension is incorrect.
Adjust the tension of the upper
thread.
page 64
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 24
Symptom Probable Cause Remedy Reference
F-combo-BrotherE_sgml.book Page 75 Thursday, November 17, 2005 3:39 PM