Sinumerik Alarm 4160 Channel %1 invalid M function number configured for spindle switchover
%1 = Channel number
An M function was specified in machine data $MC_SPIND_RIGID_TAPPING_M_NR in order to configure the M function number for spindle switchover. The M function number is assigned by the system and cannot be used for the switchover (M1 to M5, M17, M30, M40 to M45).
– Alarm display.
– Interface signals are set.
– Mode group not ready.
– Channel not ready.
– NC Start disable in this channel.
– NC Stop on alarm.
Configure an M function which is not used by the system (M1 to M5, M17, M30, M40 to M45) in machine data $MC_SPIND_RIGID_TAPPING_M_NR.
Switch control OFF – ON.
- Siemens Diagnostics Guide by Siemens