Sinumerik Alarm 300777 Axis %1 drive %2 rotor position identification current too high


Sinumerik Alarm 300777 Axis %1 drive %2 rotor position identification current too high

Parameters:
%1 = NC axis number
%2 = Drive number

Definitions:
The current set in MD1019: $MD_CURRENT_ROTORPOS_IDENT (current rotor position identification) is greater than the permissible current for the motor and the power section used. The alarm can be reprogrammed in the MD ALARM_REACTION_CHAN_NOREADY (channel not ready).

Reactions:
– NC not ready.
– Channel not ready.
– Channel not ready.
– NC Stop on alarm.
– NC Start disable in this channel.
– The NC switches to follow-up mode.
– Alarm display.
– Interface signals are set.

Remedy:
Please inform the authorized personnel/service department. Reduce MD1019: $MD_CURRENT_ROTORPOS_IDENT (current rotor position identification).

Program Continuation:
Clear alarm with the RESET key in all channels. Restart part program.

References

  1. Siemens Diagnostics Guide by Siemens
Sinumerik Alarm 300777 Axis %1 drive %2 rotor position identification current too high