Fanuc Alarm 4: ADDRESS NOT FOUND

The Fanuc SV040 alarm is a servo-related error that indicates a N-th Axis Overload. This means the CNC system has detected that the motor is drawing too much current or is working too hard to maintain its position or movement, potentially leading to overheating. Common Causes The SV040 alarm can be triggered by either mechanical…

Fanuc Alarm 59: PROGRAM NUMBER NOT FOUND Fanus Control Model: 16/18/21 Fanuc Alarm Description In an external program number search, a specified program number was not found. Otherwise, a program specified for searching is being edited in background processing. Alternatively, the program with the program number specified in a one–touch macro call is not found…

Fanuc Alarm 036 (or P/S 36): CAN NOT COMMANDED G31 Fanus Control Model: Series 16/18/21 Description This alarm occurs when a skip cutting command (G31) is called while the machine is actively using cutter compensation (G41 or G42) or tool nose radius compensation. How to Fix Alarm Cancel cutter compensation by writing G40 before issuing…

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 86: DR SIGNAL OFF Fanus Control Model: Fanuc 16, 18, and 21 Series (including i-series), Fanuc 0/0i Series (0-M, 0-T, 0i-MA, 0i-TB, 0i-MC, etc.) Description This simply means that the controller is not receiving a “Data Set Ready” (DSR) signal from the external device PC or laptop. This problem mostly occurs when you…

Fanuc Alarm 21: ILLEGAL PLANE AXIS COMMANDED Fanus Control Model: 16/18/21 Fanuc Alarm Description An axis not included in the selected plane (by using G17, G18, G19) was commanded in circular interpolation. Modify the program.