Sinumerik Alarm 16925 Channel %1 program control: action %2 not allowed in the current state, action %3 active
%1 = Channel number
%2 = Action number/action name
%3 = Action number/action name
The action has been refused since a mode or sub-mode change (change to automatic mode, MDA, JOG, overstoring, digitizing, etc.) is taking place. Example: This alarm message is output if the Start key is pressed during a mode or sub- mode change from, for example, automatic to MDA, before the NCK has confirmed selection of the mode.
– Alarm display.
Clear alarm with the Delete key or NC START.
- Siemens Diagnostics Guide by Siemens