Fanuc Alarm 61: ADDRESS P/Q NOT FOUND IN G70–G73

In the world of CNC machining, encountering a FANUC 401 Alarm can bring production to a grinding halt. This specific error is one of the most common—yet occasionally frustrating—faults found in FANUC Alpha and Beta series drive systems. Specifically, the 401 alarm stands for “V-Ready Off.” In simpler terms, the CNC control is expecting the…

Fanuc Alarm 14: CAN NOT COMMAND G95 / ILLEGAL LEAD COMMAND Fanus Control Model: 16/18/21 Fanuc Alarm Description (M Series) A synchronous feed is specified without the option for threading / synchronous feed. (T Series) In variable lead threading, the lead incremental and decremental outputted by address K exceed the maximum command value or a…

Fanuc Alarm 10: IMPROPER G–CODE Fanus Control Model: 16/18/21 Fanuc Alarm Description An unusable G code or G code corresponding to the function not provided is specified. Modify the program.

Fanuc Alarm PS900: G72.1 NESTING ERROR Fanus Control Model: Series 15i, 16i, 18i, 21i, and 30i/31i/32i Description This alarm appears when the “G72.1” (Subprogram Call for Figure Copy) command is used incorrectly in CNC programming. The main reason for this alarm is exceeding the “Nesting” limit, that is, when you call several subprograms consecutively within…

Fanuc Alarm PS006: Illegal Use of Minus Sign Fanus Control Model: Series 0i (Model C, D, and F), Series 30i / 31i / 32i, Series 16i / 18i / 21i Description Minus Sign – is written in a place where it is not allowed. This alarm can sometimes be caused by a logical error in…

Fanuc CNC Alarm 33: NO SOLUTION AT CRC Fanus Control Model: Series 16 / 18 / 21 (M and T Series) Description During tool radius compensation (G41/G42), the intersection point of two geometric lines or arcs fails to be detected. How to Fix Alarm Correct the tool path in the G-code program, or go to…