Sinumerik Alarm 300855 Axis %1 drive %2 voltage/frequency mode: motor is turning
%1 = NC axis number
%2 = Drive number
The motor did not come to a standstill when the voltage/frequency mode was activated.
– Alarm display.
– Interface signals are set.
Stop the motor before activating the voltage/frequency mode.
Alarm display showing cause of alarm disappears. No further operator action
- Siemens Diagnostics Guide by Siemens