Sinumerik Alarm 300901 Axis %1 drive %2 stop B triggered
Parameters:
%1 = Axis number
%2 = Drive number
Definitions:
The drive is disabled via STOP B. This blocks the pulses over the relay “Antrieb_IMP”. Request: In monitoring cycle. If STOP B has been triggered, this can have several reasons:
1. Safe zero speed control has responded.
2. Call after STOP F, that means an error has occurred during cross-comparison.
3. “SG-specific stop reaction” is set to STOP B and has responded. The alarm can be reprogrammed in the MD ALARM_REACTION_CHAN_NOREADY (channel not ready).
Reactions:
– Mode group not ready.
– Channel not ready.
– Channel not ready.
– NC Start disable in this channel.
– NC Stop on alarm.
– Alarm display.
– Interface signals are set.
Remedy:
Please inform the authorized personnel/service department. The user must check the cause and initiate the corresponding measures.
Program Continuation:
Switch control OFF – ON.
References
- Siemens Diagnostics Guide by Siemens