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APPENDIX ————————————————————————————————————————————————————
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74
The fabric is
wrinkled.
If you are sewing thin fabric, the
stitch is too thick.
Sew with stabilizer material under
the fabric.
page 34
The thread tension is incorrect. Adjust the tension of the upper thread. page 31
Stitches are
skipped.
You have not threaded the upper
thread properly.
Correct the upper threading. page 17
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 21
The needle is bent or blunt. Replace the needle.
page 22
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 70
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 70
You have not threaded the upper
thread properly.
Correct the upper threading. page 17
The bobbin case is scratched.
Replace the bobbin case.
Contact your retailer or the nearest
authorized service center.
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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.
page 12
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
(needle position button) once or twice.
page 17
You have not inserted the needle properly.
Insert the needle properly. page 22
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 35
The thread tension is incorrect.
Adjust the tension of the upper
thread.
page 31
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 bobbin case.
page 70
The stitch adjustment level is
incorrect.
Adjust the stitch. page 68
The fabric does
not feed.
The feed dogs are lowered.
Slide the feed dog position lever to .
page 49, 56
The stitch is too fine. Lengthen the stitch length. page 28
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 21
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.
page 70
The sewing light
bulb does not
come on.
The sewing lamp is damaged.
Contact your retailer or the nearest
authorized service center.
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Symptom Possible cause How to put it right Reference
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