Sinumerik Alarm 20143 Channel %1 axis %2 command axis cannot be started as it is controlled by the PLC
%1 = Channel number %2 = Axis name, spindle number
An attempt has been made to start a command axis by means of a block-related or modal synchronous action. This start is not possible as the axis is controlled by the PLC.
– Alarm display.
End control of the axis by the PLC and therefore return it to the channel or start the command axis with a static synchronous action.
Clear alarm with the Delete key or NC START.
- Siemens Diagnostics Guide by Siemens