Fanuc Alarm 39: CHF/CNR NOT ALLOWED IN NRC
Fanus Control Model: 16/18/21, 16i/18i/21i
Alarm Description
Chamfering or corner R was specified with a start–up, a cancel, or switching between G41 and G42 in tool nose radius compensation. The program may cause overcutting to occur in chamfering or corner R. Modify the program.
Help the CNC Community: How Did You Fix It?
If you have encountered this Fanuc 39 CHF/CNR NOT ALLOWED IN NRC error code before or know a proven troubleshooting step to resolve it, please share your solution in the comments below