Sinumerik Alarm 12270 Channel %1 block %2 macro identifier %3 already defined
%1 = Channel number
%2 = Block number, label
%3 = Source string macro name
The name of the macro to be selected by the instruction DEFINE is already defined in the control as: Macro name Keyword Variable Configured identifier.
– Alarm display.
– Interface signals are set.
– Correction block
Press the NC Stop key and select the function “Correction block” with the soft key PROGRAM CORRECT. The correction pointer positions on the incorrect block. Select DEFINE instruction with another macro name.
Clear alarm with NC START or RESET key and continue the program.
- Siemens Diagnostics Guide by Siemens