Sinumerik Alarm 16789 Channel %1 block %2 multiple link
%1 = Channel number
%2 = Block number, label
A coupling has been switched on in which the axes/spindles have already been assigned by another coupling. Parallel couplings cannot be processed.
– Alarm display. – Interface signals are set. – Correction block is reorganized.
Check in the part program whether another link already exists for the axes.
Clear alarm with NC START or RESET key and continue the program.
- Siemens Diagnostics Guide by Siemens