TCM S Machine

In a multi spindle control, the spindle number other than the valid spindle number was selected by a position coder...

Either the cable connected to a serial spindle amplifier is broken, or the serial spindle amplifier is not connected.  ...

The spindle No. and the Motor No. are incorrectly matched.   Quick tip: Verify configuration of spindle motor and amplifier.

The spindle-position coder gear ratio was incorrect. Check spindle parameter settings.   Quick tip: Check spindle parameter settings.  

[I/O Device] An attempt was made to specify an illegal command during I/O processing on an I/O device. [G30 Reference...