Baby Lock emore BLMR Instruction And Reference Manual page 81

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Symptom
The upper thread
breaks.
Bobbin thread
does not wind
neatly on the
bobbin.
The lower thread
is tangled or
breaks.
Probable Cause
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 guide).
There are knots or tangles in the
thread.
The upper thread tension is too
tight.
The thread is tangled, for example,
in the bobbin case.
The needle is bent or blunt.
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.
The area around the hole in the
presser foot is scratched, or has a
burr on it.
The bobbin case is scratched, or
has a burr on it.
A bobbin designed specifically for
this machine is not used.
The thread that was pulled out
was not wound onto the bobbin
correctly.
The bobbin thread is incorrectly
installed.
The bobbin is scratched or does
not rotate smoothly, or has a burr
on it.
The thread is tangled.
A bobbin designed specifically for
this machine is not used.
Remedy
Correct the upper threading.
Remove any knots or tangles.
Loosen the upper thread tension.
Remove the tangled thread. If the
thread is tangled in the bobbin case,
clean the race and the bobbin case.
Replace the needle.
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
designed specifically for this
machine.
Wind the thread that was pulled off
around the bobbin five or six times
clockwise.
Correctly install the bobbin thread.
Replace the bobbin.
Remove the tangled thread and clean
the race and the bobbin case.
Incorrect bobbins will not work
properly. Only use a bobbin
designed specifically for this
machine.
Reference
page 31
–
page 64
page 74,
page 75
page 38
–
–
–
page 26
page 28
page 29
–
page 74,
page 75
page 26
Troubleshooting 79
3