Fanuc Alarm 3: TOO MANY DIGITS

A Fanuc Alarm 402 is a common but critical error that indicates a Servo Alarm: SV Overload. Essentially, the CNC controller has detected that the electrical current being drawn by a specific axis motor is exceeding its rated capacity for too long. The system triggers this alarm as a protective measure to prevent the motor…

Fanuc Alarm 28: ILLEGAL PLANE SELECT Fanus Control Model: 16/18/21 Fanuc Alarm Description In the plane selection command, two or more axes in the same direction are commanded. Modify the program.

Fanuc Alarm PS145: G10.1 TIME OUT Fanus Control Model: Fanuc Series 15 (specifically Model B) and sometimes the Series 10, 11, and 12 control systems. Description When the controller fails to receive a response within the time limit for a specific operation. If the G10.1 command is entered with an incorrect format or illogical values,…

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 PS017 ILLEGAL MODE FOR GOTO/WHILE/DO Fanus Control Model: 10/11/12/15/15i Description This alarm appears when the control system has difficulty executing these macro statements such as GOTO, WHILE, or DO. Does your CNC controller accept these specific commands or is there a fundamental error in the program logic that violates the prevailing rules of…

Fanuc Alarm 63: SEQUENCE NUMBER NOT FOUND Fanus Control Model: 16/18/21 Fanuc Alarm Description T Series;The sequence number specified by address P in G70, G71, G72, or G73 command cannot be searched. Modify the program.