51IM483 Operating Instructions Revision R032306
Current adjust resistor is wrong value or not in place.
Fault condition exists.
Unit is disabled.
Motor moves in the wrong direction.
• P o s s i b l e P r o b l e m
Motor phases may be connected in reverse.
• S y m p t o m
Unit in fault.
• P o s s i b l e P r o b l e m
Current adjust resistor is incorrect value or not in place.
Motor phase winding shorted.
Power input or output driver electrically overstressed.
• S y m p t o m
Erratic motor motion.
• P o s s i b l e P r o b l e m
Motor or power wiring unshielded or not twisted pair.
Logic wiring next to motor/power wiring.
Ground loop in system.
Open winding of motor.
Phase bad on drive.
Invalid microstep resolution select setting.
• S y m p t o m
Motor stalls during acceleration.
• P o s s i b l e P r o b l e m
Incorrect current adjust setting or resistor value.
Motor is undersized for application.
Acceleration on controller is set too high.
Power supply voltage too low.
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