Sinumerik Alarm 28030 Serious alarm on NCU %1, axes in follow-up mode
Parameters:
%1 = NCU number
Definitions:
All axes are trailing because of a serious alarm on another NCU.
Reactions:
– Alarm display.
– NC not ready.
– Mode group not ready, also effective for single axes
– Interface signals are set.
– NC Start disable in this channel.
– NC Stop on alarm.
Remedy:
Acknowledge the alarm on the NCU.
Program Continuation:
Clear alarm with the RESET key in all channels of this mode group. Restart part program.
References
- Siemens Diagnostics Guide by Siemens