Sinumerik Alarm 16908 Channel %1 action %2 only possible in reset state or at the block end
%1 = Channel number
%2 = Action number/action name
This action may only be performed in Reset state or at end of block.
– Alarm display.
Check the program status and channel status.
Clear alarm with the Delete key or NC START.
- Siemens Diagnostics Guide by Siemens