Sinumerik Alarm 16794 Channel %1 block %2 coupling of axis/spindle %3 prohibits reference point approach
%1 = Channel number
%2 = Block number, label
%3 = Axis name, spindle number
The specified axis is a (gantry) slave axis and cannot therefore approach the reference point.
– Alarm display.
– Interface signals are set.
– Correction block is reorganized.
Modify part program. Switch off coupling(s) of this axis before reference point approach or do not reference. A gantry slave axis cannot reference for itself.
Clear alarm with NC START or RESET key and continue the program.
- Siemens Diagnostics Guide by Siemens