Fanuc Alarm 75: PROTECT
Fanus Control Model: 16/18/21, 16i/18i/21i
Alarm Description
An attempt was made to register a program whose number was protected.
Help the CNC Community: How Did You Fix It?
If you have encountered this Fanuc 75 PROTECT error code before or know a proven troubleshooting step to resolve it, please share your solution in the comments below