Troubleshooting
/Condition
The needle thread
breaks.
The bobbin thread
breaks.
The needle breaks.
Skipped stitches
Cause Reference
1. The needle thread isnot threaded properly.
2. The needle thread tension istoo tight.
3. The needle is bent or blunt.
4. The needle is incorrectly inserted.
5. The needle thread and the bobbin thread are notset properly
under the presser foot at the start of sewing.
6. The threads were not drawn tothe rear after the previous use.
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 inthe bobbin holder.
3. The bobbin is damaged and doesn't turn smoothly.
1. The needle is incorrectlyinserted.
2. The needle is bent or blunt.
3. The needle clamp screw is loose.
4. The needle thread tension is too tight.
5. The threads were not drawn tothe rear after the previous use.
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 forthe work being
sewn.
4. A blue needle is not being used for sewing stretch, very fine
fabrics and synthetics.
The needle thread isnot threaded properly.
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
Page 10
.
6.
Seam puckering 1. The needle thread tension is too tight. Pages 28, 30
2. The needle thread isnot threaded properly. Page 26
3. The needle is too heavy for the fabric being sewn. Page 16
4. The stitch length istoo longfor thefabric. Page 34
The cloth is not 1. The stitches are too fine. Pages 28, 30
feeding smoothly. 2. The feed dog is not raised after "drop feed" sewing. Page 46
3.The feed dog is packed with lint. Page 96
The machine 1. The machine is not plugged in. Page 6
doesn't work. 2. A thread is caught in the shuttle race. Page 96
3.The push-clutch is disengaged. Page 22
Patterns are 1. The stitch is not balanced. Page 36
distorted.
Noisy operation 1. There isthread caught inthe hook race.
2. Lint has built up inthe shuttle or the shuttle race.
For customer assistance call or e-maih
1-877-SEWlNG-U (1-877-739-4648)
9 am - 4:30 pm, CST, Monday - Friday
support@kenmore-sewing.com
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