
51
Current adjust resistor is wrong value or not in place.
Fault condition exists.
Unit is disabled.
Symptom
Motor moves in the wrong direction.
Possible Problem
Motor phases may be connected in reverse.
Symptom
Unit in fault.
Possible Problem
Current adjust resistor is incorrect value or not in place.
Motor phase winding shorted.
Power input or output driver electrically overstressed.
Symptom
Erratic motor motion.
Possible Problem
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.
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