Sinumerik Alarm 21665 Channel %1 $AA_TOFF cleared
%1 = Channel number
If the tool position is changed with RESET and $AA_TOFF is active during RESET, the position offset ($AA_TOFF) is cleared.
– Local alarm reaction.
– Alarm display.
– Interface signals are set.
– Correction block is reorganized.
– NC Stop on alarm at block end.
Modify the RESET setting in $AA_TOFF_MODE.
Clear alarm with NC START or RESET key and continue the program.
- Siemens Diagnostics Guide by Siemens