Troubleshooting
/
Condition
The needle thread
breaks.
The bobbin thread
breaks.
The needle breaks.
Skipped stitches
Cause
Reference
1. 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 needle thread and the bobbin thread are not set properly
under the presser foot when sewing is starting.
6. The fabric is not drawn to the rear when sewing is finished.
7. The thread is 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 needle is bent or blunt.
3. The needle clamp screw is loose.
4. The needle thread tension 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.
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 needle is not being used for sewing stretch, very fine
fabrics and synthetics.
5. The needle thread is not threaded properly.
6. The wrong needle is used.
Page 26
Pages 28, 30
Page 10
Page 10
Pages 28, 38
Page 38
Page 16
Page 24
Page 94
Change the bobbin
Page 10
Page 10
Page 10
Pages 28, 30
Page 38
Page 16
Page 10
Page 10
Page 16
Page 16
Page 26
Change the needle
Seam puckering
1. The needle thread tension is too tight.
Pages 28, 30
2. The needle thread is not threaded properly.
Page 26
3. The needle is too heavy for the fabric being sewn.
Page 16
4. The stitch length is too long for the fabric.
Make stitch denser
The cloth is not
1. The stitches are too fine.
Make stitch coarser
feeding smoothly.
2. The feed dog is not raised after "drop feed" sewing.
Page 46
3. The feed dog is packed with lint.
Page 94
The machine
1. The machine is not plugged in.
Page 6
doesn't work.
2. A thread is caught in the shuttle race.
Page 94
3. Push-clutch is disengaged.
Pages 24
Patterns are
1. The stitch is not balanced.
Page 36
distorted.
Noisy operation
1. There is thread caught in the hook race.
2. Lint has built up in the shuttle or the shuttle race.
For customer assistance call or e-mail:
1-877-SEWlNG-U
(1-877-739-4648)
9 am - 5 pm, CST, Monday - Friday
support@kenmore-sewing.com
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