Sinumerik Alarm 16797 Channel %1 block %2 coupling is active
%1 = Channel number
%2 = Block number, label
An operation is to be performed in which no coupling may be active, e.g. COUPDEL or TANGDEL must not be used on active couplings.
– Alarm display.
– Interface signals are set.
– Correction block is reorganized.
Correct NC part program, deselect the link with COUPOF or TANGOF.
Clear alarm with NC START or RESET key and continue the program.
- Siemens Diagnostics Guide by Siemens