Fanuc Alarm 78: NUMBER NOT FOUND
Fanus Control Model: 16/18/21, 16i/18i/21i
Alarm Description
A program number or a sequence number which was specified by address P in the block which includes an M98, M99, M65 or G66 was not found. The sequence number specified by a GOTO statement was not found. Otherwise, a called program is being edited in background processing. Correct the program, or discontinue the background editing.
Help the CNC Community: How Did You Fix It?
If you have encountered this Fanuc 78 NUMBER NOT FOUND error code before or know a proven troubleshooting step to resolve it, please share your solution in the comments below