12-1
TROUBLESHOOTING
CHAPTER 12
CAUTIONDANGER
Inspect/repair the machine by the guideline when in machine failures.
Error Type Cause
Loose belt tension / belt
damage
Power failure or short-circuit
of fuse
Failure to sense signals for
needle position or 1
rotation
Red light on X/Y drive box
Machine does not start at
START
Loose tension on main
driver belt
Incorrect position of
encoder or bad encoder
Adjust belt tension / change belt
Check fuse in main shaft motor
and change fuse
Run manual color change and
check if signal lamps (needle set
lamp & needle position lamp)
blinks at correct needle position.
Adjust the half-turn film.
Address the cause and press
RESET. Check if the lamp turns
green.
Check connection of START
switch
Adjust belt tension
Adjust encoder position or
change encoder
Inspection & Repair
See 11-9)
See 11-10)
Reference
Operation failure
Incorrect Stop
Position
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