Troubleshooting - Janome Sewing Machine Instruction Book

Troubleshooting

Condition
1. The needle thread is not threaded properly.
The needle 2. The needle thread tension is too tight.
thread breaks. 3. The needle is bent or blunt.
4. The needle is incorrectly inserted.
5. The needle thread and the bobbin thread are not set
6. The threads are not drawn to the rear after finishing
7. The thread is too heavy, or too fine for the needle.
1. The bobbin thread is not threaded properly in the bobbin
The bobbin
thread breaks. 2. Lint has collected in the shuttle area.
3. The bobbin is damaged and doesn't turn smoothly.
The needle 1. The needle is incorrectly inserted.
breaks. 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 are not pulled toward the back of the machine
6. The needle is too fine for the fabric being sewn.
Skipped stitches 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
4. A blue needle is not being used for sewing stretch, very
5. The needle thread is not threaded properly.
6. The wrong needle is being used.
Seam puckering 1. The needle thread tension is too tight.
2. The needle thread is not threaded properly.
3. The fabric, thread and needle combination is incorrect.
The fabric is not 1. The feed dog is packed with lint.
fed.
1. The machine is not plugged in.
The machine
2. A thread is caught in the shuttle race.
does not run.
3. The push-clutch is disengaged.
1. There is thread caught in the hook race.
The machine is
2. Lint has built up in the shuttle or the shuttle race.
noisy.
Cause
properly under the presser foot at the beginning of sewing.
sewing.
case and shuttle.
when starting to sew.
being sewn.
fine fabrics or synthetics.
36
Reference
Page 16
Page 20
Page 8
Page 8
Page 22
Page 22
Page 8
Page 14
Page 32
Change the
bobbin
Page 8
Page 8
Page 8
Page 20
Page 22
Page 8
Page 8
Page 8
Page 8
Page 8
Page 16
Change the
needle
Page 20
Page 16
Page 8
Page 32
Page 4
Page 32
Page 12
Page 32
Page 32