Sinumerik Alarm 300786 Axis %1 drive %2 field weakening speed invalid
Parameters:
%1 = NC axis number
%2 = Drive number
Definitions:
The value in MD 1142: $MD_FIELD_WEAKENING_SPEED (threshold speed for field weakening) is less than or equal to zero. 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.
• For standard motors: Reset the drive (delete the bootfile) and repeat the startup.
• For third-party motors: Check and, if necessary, refer to the motor data sheet to correct MD 1142: $MD_FIELD_WEAKENING_SPEED (threshold speed for field weakening).
Program Continuation:
Clear alarm with the RESET key in all channels. Restart part program.
References
- Siemens Diagnostics Guide by Siemens