ABB REM545AG228AAAA Analog output module

Axis does not move, motor has several positions with holding torque during one turn, with oscillating engagement when the motor is manually displaced: 

· Wrong polarity of the motor. 

· Wrong setting for number of motor poles 

· Motor line interrupted. 

· Wrong resolver connection or wrong adjustment of the resolver.

Red LED (FAULT) lights:

 · Operational voltage too high (8V ±0.4 at MP4). · Braking energy too high (8V ±0.4 at MP4). · The thermal switch reacted, as the heat sink temperature is >80º (7V ±0.4 at MP4). · Short-circuit in the motor or ground contact of a motor line (9V ±0.4 at MP4). Uncontrolled high motor speed: · Wrong polarity of the resolver or wrongly adjusted. · Wrong polarity of the motor.

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