Troubleshooting
Condition
The needle thread
breaks.
The bobbin thread
breaks.
The needle breaks.
Skipped stitches
Seam puckering
The cloth is not
feeding smoothly.
Stitches form loops
below the works.
The machine does not
work.
Buttonhole sewing is
not sewn properly.
The machine does not
run smoothly and is
noisy.
Cause
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 under the presser foot
when start sewing.
6. The threads were not drawn to the rear after sewing.
7. 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 needle clamp screw is loose.
3. The threads were not drawn to the rear after sewing.
4. The needle is too fine for the fabric being used.
1. The needle is incorrectly inserted, bent or blunt.
2. The needle and/or threads are not suitable for the work being sewn.
3. A Blue Tip needle is not being used for sewing stretch, very fine fabrics and
synthetics.
4. The needle thread is not threaded properly.
5. A poor quality needle is used.
1. The needle thread tension is too tight.
2. The needle thread is not threaded properly.
3. The needle is too heavy for the fabric being sewn.
4. The stitch length is too long for the fabric.
1. The feed dog is packed with lint.
2. The stitches are too fine.
3. The feed dog is not raised after "drop feed" sewing.
1. The needle thread tension is too loose.
2. The needle is either too heavy or too fine for the thread.
1. The machine is not plugged in.
2. Thread has been caught in the hook race.
3. The bobbin winder spindle is not returned to the left after bobbin winding.
1. The stitch density is not suitable for the fabric being sewn.
2. Suitable interface material has not been used for the stretch or synthetic
fabric.
1. Thread has been caught in the hook race.
2. Lint has built up in the hook race or bobbin holder.
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
110
Reference
See page 36
See page 38,40
See page 20
See page 20
See page 36,38
See page 42
See page 26
See page 34
See page 106
Replacethe bobbin.
See page 20
See page 20
See page 42
See page 26
See page 20
See page 26
See page 20
See page 36
Changethe needle.
See page 38,40
See page 36
See page 26
Makethestitchcoarser
See page 106
Makethestitchcoarser.
See page 48
See page 38
See page 26
See page 6
See page 106
See page 32
See page 64
See page 26
See page 106
See page 106
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