APPENDIX —————————————————————————————————————————————————————————
52
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 14, 16
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 19
The needle is bent or blunt. Replace the needle. page 20
If you are sewing thin fabric, the
stitch is too thick.
Sew with stabiliser material under
the fabric.
page 31
The thread tension is incorrect.
Adjust the tension of the upper
thread.
page 28
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 19
The needle is bent or blunt. Replace the needle.
page 20
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 46, 47
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 46
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.
page 12
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 45
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 33, 36,
38, 40, 41
The thread tension is incorrect.
Adjust the tension of the upper
thread.
page 28
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 46
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 19
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 46
The sewing light
bulb does not
come on.
The sewing lamp is damaged. Change the sewing light bulb. page 45
Symptom Possible cause How to put it right Reference
LS2125_Appendix.fm Page 52 Tuesday, February 26, 2008 2:59 PM