Trouble Shooting
(-
Condition
The machine does not
run smoothly and is
noisy.
The needle thread
breaks,
The bobbin thread
breaks,
The needle breaks.
Skipped stitches
1,
2,
Cause
Threads have been caught in hook mechanism.
The feed dog is packed with lint.
I. The needle thread is not threaded properly.
2. The needle thread tension is too tight.
3. The needle is bent or blunt,
4. The needle is incorrectly inserted.
5. The fabric is not being drawn to the rear when sewing is finished.
6. The thread is either too heavy or too fine for the needle.
1. The bobbin thread is not threaded properly in the bobbin holder.
2. Lint has collected in the bobbin holder.
3. The bobbin is damaged and doesn't turn smoothly.
1. The needle is incorrectly inserted.
2, The needJe is bent or blunt.
3. The needle clamp screw is loose.
4. The tension of the needle thread is too tight.
5. The fabric is not drawn to the rear when sewing is finished.
6. The needle is too fine for the fabric being sewn.
7. The pattern selector dlal has been turned while the needJe was in the material.
1. The needle is incorrectly inserted.
2, The needle is bent or blunt.
3. The needle and/or threads are not suitable for the work being sewn.
4. A BLUE TIPPED needle is not being used for sewing stretch, very fine fabrics and synthetics.
5. The needle thread is not threaded property.
6, The presser foot pressure is not strong enough.
Reference
See Pages 43 and 44
See Page 44
See Page 18
See Page20
See Page 13
See Page 13
See Page22
See Page 14
See Page 17
See Page 43
Exchange bobbin.
See Page 13
See Page 13
See Page 13
See Page 20
See Page 22
See Page 14
See Page 21
See Page 13
See Page 13
See Page t4
See Page 14
See Page 18
See Page 10
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