Sinumerik Alarm 16788 Channel %1 block %2 cyclic coupling
%1 = Channel number
%2 = Block number, label
A coupling has been switched on which results in a cyclic coupling, allowance being made for further couplings. This cyclic coupling cannot be uniquely computed.
– Alarm display. – Interface signals are set. – Correction block is reorganized.
Please inform the authorized personnel/service department. • Configure link accordingly in MD (channel MD: 21300 COUPLE_AXIS_n) • or modify part program.
Clear alarm with NC START or RESET key and continue the program.
- Siemens Diagnostics Guide by Siemens