Sinumerik Alarm 16778 Channel %1 block %2 coupling: Ring coupling at following axis %3 and leading axis %4 impermissible
%1 = Channel number
%2 = Block number, label
%3 = Axis name, spindle number
%4 = Axis name, spindle number
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.
– NC Stop on alarm.
– NC Start disable in this channel.
– Alarm display.
– Interface signals are set.
Please inform the authorized personnel/service department. Configure link in accordance with the MD or correct NC part program (channel MD: COUPLE_AXIS_n).
Clear alarm with the RESET key. Restart part program
- Siemens Diagnostics Guide by Siemens