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APPENDIX ————————————————————————————————————————————————————
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45
The fabric is
wrinkled.
You have not threaded the upper
thread properly or fitted the bobbin
properly.
Thread the upper thread and wind
the bobbin thread properly.
page 11, 13
You have not fitted the spool prop-
erly.
Fit the spool properly. –
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 15
The needle is bent or blunt. Replace the needle. page 16
If you are sewing thin fabric, the
stitch is too thick.
Sew with stabiliser material under
the fabric.
page 26
The thread tension is incorrect.
Adjust the tension of the upper
thread.
page 24
Stitches are
skipped.
You have not threaded the upper
thread properly.
Correct the upper threading. page 13
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 15
The needle is bent or blunt. Replace the needle.
page 16
You have not inserted the needle
properly.
Insert the needle properly.
Dust has accumulated under the
needle plate or in the shuttle race.
Remove the needle plate cover and
clean the plate and the shuttle race.
page 40, 41
There is a high-
pitched noise
while sewing.
Dust has built up in the feed dogs or
in the shuttle race.
Clean the shuttle race. page 40
You have not threaded the upper
thread properly.
Correct the upper threading. page 13
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 10
Insufficient oiling.
Make sure to oil the machine once a
week if you use it more than an hour
a day. If you use it more often, oil
every day.
page 39
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 28, 31,
33, 34, 35
The thread tension is incorrect.
Adjust the tension of the upper
thread.
page 24
The thread is tangled, for example,
in the shuttle race.
Remove the tangle thread. If the
thread is tangled in the shuttle race,
clean the shuttle race.
page 40
The fabric does
not feed.
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 15
The thread is tangled, for example,
in the shuttle race.
Remove the tangle thread. If the
thread is tangled in the shuttle race,
clean the shuttle race.
page 40
The sewing light
bulb does not
come on.
The sewing lamp is damaged. Change the sewing light bulb. page 39
Symptom Possible cause How to put it right Reference