Fanuc Alarm 73: PROGRAM NUMBER ALREADY IN USE
Fanus Control Model: 16/18/21, 16i/18i/21i
Alarm Description
The commanded program number has already been used. Change the program number or delete unnecessary programs and execute program registration again.
Help the CNC Community: How Did You Fix It?
If you have encountered this Fanuc 73 PROGRAM NUMBER ALREADY IN USE error code before or know a proven troubleshooting step to resolve it, please share your solution in the comments below