SMI21 & SMI22 CANopen
C.MO.SAV.00019.FR_V2
Page 18/20
April 27th, 2018
5. DIAGNOSTICS AND TROUBLESHOOTING
5.1. Mechanical Failures
Error
Cause
Remedy
Significant temperature rise
Overload
Holding brake not released
Reduce the load
Check control of the holding brake
Whistling or knocking
Faulty bearings
Contact the after-sales service
Friction noise
A rotary transmission device is catching
Align the transmission device
Radial vibration
Transmission device incorrectly aligned
Transmission device unbalanced
Twisted shaft
Resonance in the fixing
Align the transmission device
Balance the transmission device
Contact the after-sales service
Check the rigidity of the motor fixing
Axial vibration
Transmission device incorrectly aligned
Transmission device being knocked
Resonance in the fixing
Align the transmission device
Check the transmission device
Check the rigidity of the motor fixing
5.2. Electrical Failures
Error
Cause
Remedy
The motor does not start or
starts with difficulty
Overload
Fault in the connection wires
Reduce the load
Check the connection wires
Contact the after-sales service
Significant temperature rise in
the stator
Overload
Reduce the load
Temperature rise in the
connection terminals
Power supply wires disconnected or
loose
Tighten the screws
