Troubleshooting - Janome Sewing Machine Instruction Book

Troubleshooting

Condition
The needle thread 1. The needle thread is not threaded properly.
breaks. 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
6. The threads were not drawn to the rear after sewing.
7. The thread is either too heavy or too fine for the needle.
The bobbin thread 1. The bobbin thread is not threaded properly in the bobbin holder.
breaks. 2. Lint has collected in the bobbin holder.
3. The bobbin is damaged and doesn't turn smoothly.
The needle breaks. 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.
Skipped stitches 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
4. The needle thread is not threaded properly.
5. A poor quality needle is used.
Seam puckering 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.
The cloth is not 1. The feed dog is packed with lint.
feeding smoothly. 2. The stitches are too fine.
3. The feed dog is not raised after "drop feed" sewing.
Stitches form loops 1. The needle thread tension is too loose.
below the works. 2. The needle is either too heavy or too fine for the thread.
The machine does not 1. The machine is not plugged in.
work. 2. Thread has been caught in the hook race.
3. The bobbin winder spindle is not returned to the left after bobbin winding.
Buttonhole sewing is 1. The stitch density is not suitable for the fabric being sewn.
not sewn properly. 2. Suitable interface material has not been used for the stretch or synthetic
The machine does not
1. Thread has been caught in the hook race.
run smoothly and is
2. Lint has built up in the hook race or bobbin holder.
noisy.
when start sewing.
synthetics.
fabric.
Cause
54
Reference
See page 16
See page 17, 18
See page 11
See page 11
See page 17
See page 19
See page 12
See page 15
See page 52
Replace the bobbin.
See page 11
See page 11
See page 19
See page 12
See page 11
See page 12
See page 11
See page 16
Change the needle.
See page 17, 18
See page 16
See page 12
Decrease the stitch length.
See page 52
Increase the stitch length.
See page 22
See page 17, 18
See page 12
See page 4
See page 52
See page 14
See page 31
See page 12
See page 52
See page 52