FISCHBEIN
®
MODELS 100 & 101 EMPRESS™ SERIES SEWING HEAD
OPERATOR’S MANUAL
REV. H 2005 / 11
42
6. TROUBLESHOOTING
FAULT
CAUSE
SOLUTION
1. Machine runs
but does not
sew
1. No thread.
2. Broken thread.
3. Broken needle.
4. Loose drive belt
1. Fit a new cone.
2. Re-thread sewing head.
3. Replace needle.
4. Tighten drive motor belt.
2. Poor quality
chain stitch
1. Thread is wrapped around guides
or other object.
2. Poor thread tension.
3. Looper misaligned.
4. Needle maladjustment.
5. Looper to needle maladjustment.
6. Needle guide misaligned.
1. Remove the thread around the object,
and re-thread the sewing head.
2. Re-adjust thread tension.
3. Re-adjust looper.
4. Re-adjust needle.
5. Re-adjust the relationship
between the looper and needle.
6. Re-adjust needle guide.
3. No chain stitch
1. Bent needle.
2. Dull needle.
3. Poor thread tension.
4. Feed dog worn out.
5. Presser foot worn out.
1. Replace needle.
2. Replace needle.
3. Check thread tension.
4. Replace feed dog.
5. Replace presser foot.
4. Poor stitch
1. Throat plate damaged.
2. Presser foot pressure incorrect.
3. Feed dog worn.
4. Thread tension poorly adjusted.
1. Replace throat plate.
2. Adjust pressure.
3. Replace Feed dog.
4. Adjust thread tension.
5. Thread
constantly
breaks
1. Thread stuck or blocked around
thread tensioners.
2. Thread tensioners maladjusted.
3. Needle worn or bent.
4. Looper worn or bent.
5. Throat plate worn or damaged.
6. Needle overheating.
7 Too much thread tension.
8. Poor quality thread.
1. Check thread guide or adjustment.
2. Readjust thread tensioners.
3. Replace needle.
4. Replace looper.
5. Replace throat plate.
6. Use another type of bag, a needle
cooler or lubricated thread.
7. Less tension.
8. Use higher quality thread.
(Fischbein lubricated thread)
