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108
APPENDIX ——————————————————————————————————————————————————————————————————————————————————————————————————————————
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The fabric is
wrinkled.
The presser foot you are using is not
appropriate for the type of stitch that
you want to sew.
Attach the presser foot that is correct
for the type of stitch that you want to
sew.
page 81
The thread tension is incorrect. Adjust the tension of the upper thread. page 43, 98
Stitches are
skipped.
You have not threaded the upper
thread properly.
Correct the upper threading. page 25
You have not used the right
combination of fabric, thread and
needle.
Choose a thread and needle that are
appropriate for the type of fabric.
page 31
The needle is bent or blunt. Replace the needle.
page 32
The needle is incorrectly installed. Correctly install the needle.
Dust has accumulated under the
needle plate or in the race.
Remove the needle plate cover and
clean the plate and the race.
page 91
There is a high-
pitched noise
while sewing.
Dust has built up in the feed dogs or
in the race.
Remove the needle plate cover and
clean the plate and the race.
page 91
You have not threaded the upper
thread properly.
Correct the upper threading. page 25
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.
page 17
The fabric does
not feed.
The feed dogs are lowered.
Slide the feed dog position lever to .
page 57, 67
The stitch is too fine. Lengthen the stitch length. page 40
You have not used the right
combination of fabric, thread and
needle.
Choose a thread and needle that are
appropriate for the type of fabric.
page 31
The thread is tangled, for example, in
the race.
Remove the tangle thread. If the
thread is tangled in the race, clean the
race.
page 91, 95
The presser foot you are using is not
appropriate for the type of stitch that
you want to sew.
Attach the presser foot that is correct
for the type of stitch that you want to
sew.
page 81
The needle is bent or blunt. Replace the needle. page 32
Zigzag foot “J” is slanted on a thick
seam at the beginning of stitching.
Use the presser foot locking pin
(black button on the left side) on
zigzag foot “J” to keep the presser foot
level while sewing.
page 45
The fabric feeds
in the opposite
direction.
The feed mechanism 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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