Download MODEL S-111

S111
TROUBLESHOOTING
2. FAULTS WITHOUT ERROR MESSAGES
SYMPTOM
SYMPTOM
Thread breakage.
The machine does
not sew.
Skip stitches.
Sewn fabric is
incorrectly cut.
Top thread is not
trimmed.
SERVICE
POSSIBLE POSSIBLE
CAUSE
CAUSE
PROBABLE SOLUTION
PROBABLE SOLUTION
SECTION
Thread draw-off is too tight
Damaged loopers, spreaders, or
throat plate.
Incorrect needle and sewing
mechanism adjustment.
Poor thread quality.
Thread holes in the needle and
the looper are too small.
Reduce thread tension.
Bent or broken needle.
Roll the needle on a smooth flat
surface, if bent, replace the
needle.
Needle track on a looper.
Damaged throat plate.
Deburr or replace the looper.
Deburr or replace the throat
plate.
Incorrect sewing system adjustment
Correctly adjust.
Incorrectly adjusted thread drawoff.
Bent needle or damaged stitch
forming parts.
Incorrectly adjusted sewing
mechanism.
Incorrect needle guard distance.
Defective spreader return springs
Replace damaged parts.
Correctly adjust the needle bar,
loopers, openers and tension.
Replace thread.
Use correct parts.
Correctly adjust the sewing
mechanism
Replace the damaged parts.
Correctly adjust the sewing
mechanism.
Set the distance to 0.05 mm.
E3,E9,E6,
E10,E11
E11
E9,E10
Replace the springs.
Cutting cylinder pressure is too
low.
Check the knife impression on
the cutting steel, adjust or
replace as needed.
Check the knife. Replace if
damaged.
Tighten the adjusting screw
by 1/2 rotation and check the
cutting.
Damaged knife.
Knife does not return.
Knife incorrectly installed.
Replace the knife.
Adjust or replace the spring.
Correctly install the knife.
Knife and cutting steel are
incorrectly installed.
E11
Revised 03/2003
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Phones: +420 582 309 146 (Service), +420 582 309 286 (Spare Parts); Fax: +420 582 360 606
B7
E12
2-3