SunStar SWF/B Series User Manual page 137

Error Type
Poor detection Failure of thread detector
of upper thread roller
Poor connection & quality
of tension adjusting plate
Bad jump Short-circuit of fuse for
jump circuit
Bad solenoid and
solenoid wiring
Bad connection
Switch failure on tension
adjusting plate and on
circuit board
Bad stitch Bad quality tape data
quality
Inadequate tension on X-
Y belt
Foreign substance in X-Y
rail
Power failure / X/Y circuit
board
Heavy load on frame
Cause
Disassemble roller. Clean roller
and bush bearing gauge
Check the plate connection and
change the circuit board
Change fuse F3 in joint board
Check wiring and change
solenoid
Check connection
Change switch and circuit board
Adjust data
Adjust tension
Clean the rail
Change circuit board
Reduce speed of main shaft
Inspection & Repair Reference
Check fuse rating