Fanuc Alarm 74: ILLEGAL PROGRAM NUMBER
Fanus Control Model: 16/18/21, 16i/18i/21i
Alarm Description
The program number is other than 1 to 9999. Modify the program number.
Help the CNC Community: How Did You Fix It?
If you have encountered this Fanuc 74 ILLEGAL PROGRAM NUMBER error code before or know a proven troubleshooting step to resolve it, please share your solution in the comments below