Brother XM3700 Owner's Manual
61
4
Stitches are
skipped.
You have not threaded the upper
thread properly.
Correct the upper threading.
page 16
You have not used the right combi-
nation of fabric, thread and needle.
Choose a thread and needle that are
appropriate for the type of fabric.
page 20
The needle is bent or blunt.
Replace the needle.
page 21
You have not inserted the needle
properly.
Insert the needle properly.
Dust has accumulated under the
needle plate or in the bobbin case.
Remove the needle plate cover and
clean the plate and the bobbin case.
page 57
There is a high-
pitched noise
while sewing.
Dust has built up in the feed dogs or
in the bobbin case.
Clean the bobbin case.
page 57
You have not threaded the upper
thread properly.
Correct the upper threading.
page 16
The bobbin case is scratched.
Replace the bobbin case.
Contact your retailer or the nearest
authorized service center.
–
You have not used bobbin that has
been designed for this machine.
Incorrect bobbins will not work
properly. Only use a bobbin that has
been designed for this machine.
properly. Only use a bobbin that has
been designed for this machine.
page 11
The needle
threader can not
be used.
You have not moved the needle
holder to its highest position.
Raise the needle either by turning the
handwheel toward you
(counterclockwise) so that the mark
on the wheel points up or by pressing
handwheel toward you
(counterclockwise) so that the mark
on the wheel points up or by pressing
(needle position button) once or
twice.
page 16
You have not inserted the needle
properly.
Insert the needle properly.
page 21
The stitch is not
sewn correctly.
The presser foot that you are using is
not correct for the type of stitch.
Attach the presser foot that is correct
for the type of stitch that you want to
sew.
page 52
The thread tension is incorrect.
Adjust the tension of the upper
thread.
page 29
The thread is tangled, for example,
in the bobbin case.
Remove the tangle thread. If the
thread is tangled in the bobbin case,
clean the bobbin case.
thread is tangled in the bobbin case,
clean the bobbin case.
page 57
The fabric does
not feed.
The feed dogs are lowered.
Slide the feed dog position lever to
.
page 38, 45
The stitch is too fine.
Lengthen the stitch length.
page 27
You have not used the right combi-
nation of fabric, thread and needle.
Choose a thread and needle that are
appropriate for the type of fabric.
page 20
The thread is tangled, for example,
in the bobbin case.
Remove the tangle thread. If the
thread is tangled in the bobbin case,
clean the bobbin case.
thread is tangled in the bobbin case,
clean the bobbin case.
page 57
The sewing light
bulb does not
come on.
The sewing lamp is damaged.
Contact your retailer or the nearest
authorized service center.
–
Symptom
Possible cause
How to put it right
Reference