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174
Troubleshooting
Problem
The machine is
noisy.
The needle thread
breaks.
The bobbin thread
breaks.
The needle breaks.
Visual Touch
Screen is not clear.
PC Card does not
work.
Skipped stitches
Reference
See page 173.
See page 173.
See page 14.
See page 41.
See page 18.
See page 18.
See page 19.
See page 123.
See
page 13.
See page 173.
Replace the bobbin.
See page 18.
See page 18.
See page 18.
See page 41.
See page 34.
See page 19.
See page 26.
See page 144.
See page 18.
See page 18.
See page 19.
See page 19.
See page 18.
Change the needle.
See page 122.
See page 121.
Cause
1. Threads have been caught in the hook
mechanism.
2. The feed dog is packed with lint.
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 inserted incorrectly.
5. The thread is too heavy for the needle.
6. The needle thread is not set in the thread holder
when embroidery sewing has started.
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 inserted incorrectly.
2. The needle is bent or blunt.
3. The needle clamp screw is loose.
4. The needle thread tension is too tight.
5. The fabric is not drawn to the rear when sewing is
finished.
6. The needle is too fine for the fabric being sewn.
1. The contrast of the screen is not adjusted
properly.
1.
PC
Card is not set correctly.
1. The needle is inserted incorrectly.
2. The needle is bent or blunt.
3. The needle and/or threads are not suitable for the
work being sewn.
4. A BLUE TIPPED needle is not being used for the
sewing stretch, very fine and synthetics.
5. The needle thread is not threaded properly.
6. The defective (rusted, burred needle eye) needle
is used.
7. The embroidery hoop is not set properly.
8. The fabric is not pulled tightly enough on the
embroidery hoop.