Siemens Simotics HV C 1NA14544WA600AG0-Z - Electrical faults

See also
Commissioning (Page 59)
Decommissioning the machine (Page 69)
8.9 Faults
8.9.1 Inspections in the event of faults
Natural disasters or unusual operating conditions, such as overloading or short circuit, are
faults that overload the machine electrically or mechanically.
Immediately perform an inspection after such faults.
Correct the cause of the fault as described in the respective remedial measures section. Repair
any damage to the machine.
8.9.2 Electrical faults
Note
If you are operating the motor with a converter, the operating instructions of the converter must
also be observed if electrical faults occur.
Table 8-1 Electrical faults
↓ Motor fails to start
↓ Motor accelerates sluggishly
↓ Rumbling noise during startup
↓ Rumbling noise during operation
↓ High temperature rise during no-load operation
↓ High temperature rise with load
↓ High temperature rise of individual winding sections
Possible causes of faults Remedial measures
X X X X Overload Reduce the load.
X Interrupted phase in the supply cable Check the switches and cables.
X X X X Interrupted phase in the feeder cable af‐
ter switching on
Check the switches and cables.
X Mains voltage too low, frequency too high Check the power supply conditions.
X Mains voltage too high, frequency too low Check the power supply conditions.
X X X X X Stator winding incorrectly connected Check the winding connection in the terminal box.
Operation
8.9 Faults
SIMOTICS HV C 1NA14544WA600AG0-Z
70 Operating Instructions 06/2018