Sinumerik Alarm 4021 Channel %1 identifier %2 used several times in machine data %3
Parameters:
%1 = Channel number
%2 = String: Name of identifier
%3 = String: MD identifier
Definitions:
To determine the name in the channel-specific tables for geometry axes and channel axes an identifier already existing in the control has been used.
Reactions:
– Alarm display.
– Interface signals are set.
– NC not ready.
– Mode group not ready, also effective for single axes
– NC Start disable in this channel.
– NC Stop on alarm.
Remedy:
Please inform the authorized personnel/service department. Select for the identifier to be entered a character string that is not yet used in the system (max. 32 characters).
Program Continuation:
Switch control OFF – ON.
References
- Siemens Diagnostics Guide by Siemens