Fanuc Alarm 184 ILLEGAL COMMAND IN G81 (Hobbing machine, EGB) (M series)
Fanuc Alarm Description
A command not to be instructed during synchronization by G81 was instructed. (hobbing machine)
1) A C axis command by G00, G27, G28, G29, G30, etc. was instructed.
2) Inch/Metric switching by G20, G21 was instructed.