Sinumerik Alarm 4003 Axis %1 incorrect assignment of master channel in machine data %2
%1 = Axis
%2 = String: MD identifier
For some applications,it is useful to operate an axis in several channels (C axis or spindle on single spindle or double carriage machines).
The machine axes which are defined in several channels by means of the MD 20070 AXCONF_MACHAX_USED, must be assigned to a master channel with the axis-specific machine data 30550 AXCONF_ASSIGN_MASTER_CHAN.
For axes that are activated in only one channel,the number of this channel or zero must be entered as master channel.
– Alarm display.
– Interface signals are set.
– NC not ready.
– Channel not ready.
– NC Start disable in this channel.
– NC Stop on alarm.
Please inform the authorized personnel/service department. Modify MD 20070: AXCONF_MACHAX_USED and/or MD 30550: AXCONF_ASSIGN_MASTER_CHAN.
Switch control OFF – ON.
- Siemens Diagnostics Guide by Siemens