Troubleshooting; Procedure - Bosch Rexroth MAD100 Operating Instructions Manual

MAD / MAF Asynchronous Housing Motors
12

Troubleshooting

12.1

Procedure

Malfunction Failure cause
Controller enable signal missing
Controller fault
Motor does not run
Voltage supply missing
Brake is not released
Coupling elements or attachments are poorly
balanced
Adjustment of shaft end attachments (coupling,
Vibrations
gearbox, ...) is insufficient
Mounting screws loose
Foreign bodies within the motor
Running noise
Bearing is damaged
Operation outside of rated data
High motor tempera‐
tures
Motor temperature
Heat dissipation is impaired
monitoring is activated
Temperature sensor not connected
Wrong or defective
temperature display
Temperature sensor defective
In the event of faults, always observe the information in the project planning
and commissioning instructions. Contact the manufacturer, if necessary.
Tab. 12-1: Procedure troubleshooting
Measures
Activate controller enable signal
Troubleshoot acc. to documentation of control‐
ler
Control voltage supply
Check the brake activation
Re-balance
Re-align the attachments
Tighten and secure the screw connections as
specified
Stop the motor --> repair by manufacturer
Stop the motor --> repair by manufacturer
Reduce load and check the dimensioning
Clean the motor
For fan units, clean fan grille and check the fan
function
For liquid cooling, check cooling circuit.
Connect temperature sensor
Connect backup temperature sensor
Stop the motor --> repair by manufacturer
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Troubleshooting