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462
S y m p t o m
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
Fault LED on Interface Board is illuminated.
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.
Unit overheating.
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/power wiring unshielded or not twisted pair.
Logic wiring next to motor/power wiring.
Ground loop in system.
Opto-isolation defeated by powering optos with motor supply.
Open winding of motor.
Phase blown on drive.
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 to high.
Power supply voltage too low.
S y m p t o m
Excessive motor and driver heating.
P o s s i b l e P r o b l e m
Inadequate heat sinking/cooling.
Current reduction not being utilized.