Brother XL-2230 Operation Manual page 59

APPENDIX —————————————————————————————————————————————————————
Symptom
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 shuttle.
The upper The needle is bent or blunt.
thread breaks.
You have not fitted the needle prop-
erly.
The area around the hole in the nee-
dle plate is scratched.
The area around the hole in the
presser foot is scratched.
The shuttle is scratched, or has a
burr on it.
You have not used a bobbin that has
been designed for this machine.
You have not fitted the bobbin
thread properly.
The bobbin is scratched or does not
turn smoothly.
The lower
thread is tangled
The thread is tangled.
or breaks.
You have not used a bobbin that has
been designed for this machine.
You have not threaded the upper
thread properly.
You have not fitted the bobbin
thread properly.
You have not threaded the right
combination of thread and needle
for the fabric you are using.
The thread ten-
sion is incorrect.
You have not fitted the presser-foot
holder properly.
The thread tension is incorrect.
You have not used a bobbin that has
been designed for this machine.
58
Possible cause How to put it right
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 shuttle, clean
the shuttle.
Replace the needle.
Fit the needle properly.
Replace the needle plate.
Contact your retailer or the nearest
authorised service center.
Replace the presser foot.
Contact your retailer or the nearest
authorised service center.
Replace the shuttle.
Contact your retailer or the nearest
authorised service center.
Incorrect bobbins will not work
properly. Only use a bobbin that has
been designed for this machine.
Fit the bobbin properly.
Replace the bobbin.
Remove the tangled thread and
clean the shuttle.
Incorrect bobbins will not work
properly. Only use a bobbin that has
been designed for this machine.
Correct the upper threading.
Fit the bobbin thread properly.
Choose a thread and needle that are
appropriate for the type of fabric.
Fit the presser-foot holder properly.
Adjust the tension of the upper
thread.
Incorrect bobbins will not work
properly. Only use a bobbin that has
been designed for this machine.
Reference
page 23
–
page 29
page 28
page 55
page 11, 12
page 12
–
–
–
page 18
page 20, 21
–
page 55
page 18
page 23
page 20, 21
page 29
–
page 28
page 18