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Siemens SINUMERIK Controller
Servo/Axis · Intermediate · 30-120 minutes
Siemens 300855 - Axis drive voltage/frequency mode: motor is turning
The motor did not come to a standstill when the voltage/frequency mode was activated Control reaction: Interface signals are set. Alarm display.
300855
Siemens 300855 - Axis drive voltage/frequency mode: motor is turning
Axis drive voltage/frequency mode: motor is turning
The motor did not come to a standstill when the voltage/frequency mode was activated Control reaction: Interface signals are set. Alarm display.
Safety
- Drive/power/encoder circuit: hazardous voltages may remain in the DC link after power-off. Lock out / tag out, wait for discharge per the drive documentation, and use qualified personnel only.
Common Causes
- The motor did not come to a standstill when the voltage/frequency mode was activated
Troubleshooting Steps
- 1Stop the motor before activating the voltage/frequency mode.
- 2Alarm display showing cause of alarm disappears. No further operator action necessary
Seeing Multiple Alarms?
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