Troubleshooting - Janome 1600P QC Manual De Instrucciones

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 fabric.
The machine does not
work.
The machine does not
run smoothly and is
noisy.
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 starting sewing.
6. 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 hook race.
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 needle is too fine for the fabric being used.
1. The needle is incorrectly inserted, bent or blunt.
2. The needle and/or fabrics are not suitable for the work being
sewn.
3. A Blue Tip needle is not used when sewing stretch, very fine
fabrics and synthetics.
4. The needle thread is not threaded properly.
5. A poor quality needle is being 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.
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 presser foot is raised.
1. Thread has been caught in the hook race.
2. Lint has built up in the hook race or bobbin holder.
3. The machine needs oiling.
Cause
40
Reference
See page 20
See page 20
See page 26
See page 26
See page 24
See page 26
See page 18
See page 36
Replace the bobbin.
See page 26
See page 26
See page 26
See page 26
See page 26
See page 26
See page 20
Change the needle
See page 28
See page 20
See page 26
Make the stitch shorter
See page 36
Make the stitch longer
See page 28
See page 26
See page 8
See page 26
See page 12
See page 36
See page 36
See page 36