Fanuc Alarm 78: NUMBER NOT FOUND

Fanuc Alarm 78: NUMBER NOT FOUND

Fanuc Control Model: Series 0 / 0-Mate / 0i (Model A, B, C, D, F), 16 / 18 / 21, 16i / 18i / 21i, 30i / 31i / 32i

Fanuc 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.


Have you faced Fanuc Alarm 78 NUMBER NOT FOUND on your machine? Share your experience or troubleshooting tips in the comments below to help other CNC operators and programmers clear this error faster!

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