Fanuc Alarm 4505 ILLEGAL COMMAND IN GRID
Fanus Control Model: 16/18/21, 16i/18i/21i
Alarm Description
In a grid (G78, G79) command, the number of holes (P, K) was set to zero or a negative value. Alternatively, I, J, K, or P was not specified.
Help the CNC Community: How Did You Fix It?
If you have encountered this Fanuc Alarm 4505 ILLEGAL COMMAND IN GRID error code before or know a proven troubleshooting step to resolve it, please share your solution in the comments below