Sinumerik Alarm 75451 Error with definition of setpoint switchover
Exchange axis number and machine axis number are identical, gaps have been defined, or the machine axis number is the machine axis number of an inactive machine axis of the system.
– The NC switches to follow-up mode.
Enter another axis number for the setpoint exchange in MD 63750.
Switch control OFF – ON.
- Siemens Diagnostics Guide by Siemens