Fanuc Alarm 11: NO FEEDRATE COMMANDED Fanus Control Model: 16/18/21 Fanuc Alarm Description Feedrate was not commanded to a cutting feed or the feedrate was inadequate. Modify the program.

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 9: ILLEGAL ADDRESS INPUT Fanus Control Model: 16/18/21 Fanuc Alarm Description Unusable character was input in significant area. Modify the program.

Fanuc Alarm 6: ILLEGAL USE OF NEGATIVE SIGN Fanus Control Model: 16/18/21 Fanuc Alarm Description Sign “ – ” input error (Sign “ – ” was input after an address with which it cannot be used. Or two or more “ – ” signs were input.) Modify the program.

Fanuc Alarm 5: NO DATA AFTER ADDRESS Fanus Control Model: 16/18/21 Fanuc Alarm Description The address was not followed by the appropriate data but was followed by another address or EOB code. Modify the program.

Fanuc Alarm 4: ADDRESS NOT FOUND Fanuc Control Model: Series 0i, 16i, 18i, 21i, 30i, 31i, 32i Fanuc Alarm 4 (PS0004) is a Program/Editing alarm that occurs when an address letter (such as G, M, X, Z, or F) is missing required numerical data, or when a number is entered without a leading address letter….

Fanuc Alarm 3: TOO MANY DIGITS Fanus Control Model: 16/18/21 Fanuc Alarm Description Data exceeding the maximum allowable number of digits was input. (Refer to the item of max. programmable dimensions.)

Fanuc Alarm 2: TV PARITY ALARM Fanus Control Model: 16/18/21 Fanuc Alarm Description TV alarm (The number of characters in a block is odd). This alarm will be generated only when the TV check is effective.

Fanuc Alarm 1: TH PARITY ALARM Fanuc Control Model: Fanuc 0i, 16/18/21, 16i/18i/21i, 30i/31i/32i Fanuc Alarm 1 (TH Parity Alarm) is a Program / RS-232 Communication alarm that occurs when the CNC control detects an incorrect number of holes (odd/even parity error) while reading a tape or receiving a G-code program via serial communication. Follow…

Fanuc Alarm 0: PLEASE TURN OFF POWER Fanuc Control Model: Series 16 / 18 / 21, 16i / 18i / 21i, 0i Series Fanuc Alarm 0 (PLEASE TURN OFF POWER) is a standard notification alarm that occurs when a parameter requiring a power cycle/reboot is modified on the CNC control. Follow this quick guide to…

Fanuc Alarm 118: PARENTHESIS NESTING ERROR Fanus Control Model: 16/18/21 Fanuc Alarm Description The nesting level of brackets or parentheses in a macro expression exceeds the limit of 5 levels.

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 34: NO CIRC ALLOWED IN ST–UP /EXT BLK Fanus Control Model: Series 0i / 16i / 18i / 21i / 31i / 32i Description This alarm (Fanuc Alarm 34) occurs when you are starting (Start-up block) or ending (Cancel block) Cutter Radius Compensation using G41 or G42, and write Circular Interpolation (G02/G03) instead…

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…

Fanuc Alarm 31: ILLEGAL P COMMAND IN G10 Fanus Control Model: Series 16i / 18i / 21i (Models A and B) and Series 30i / 31i / 32i Description When you use the ‘P’ command incorrectly with a G10 code. The value written after ‘P’ is either outside the offset number that is available in…

Fanuc Alarm 029 (or PS029) ILLEGAL OFFSET VALUE Fanus Control Model: Series 21 / 21i (Model A, B, & C) and modern controls like the 30i / 31i / 32i series Description Any value in the Tool Offset or Work Offset that is outside the specified range of the machine. Fanuc parameters have a limit…

Fanuc Alarm 101: PLEASE CLEAR MEMORY Fanus Control Model: Series 0, 16, 18, 21 Description When the power is turned off or the controller suddenly shuts down while writing data to memory (such as loading or editing a program), the part of the memory where the data was stored becomes “corrupted.” How to Fix Alarm…

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 85: COMMUNICATION ERROR Fanuc Control Model: Fanuc 0i-D/F, 16i/18i/21i, and 30i/31i/32i series Fanuc Alarm Description When entering data in the memory by using Reader / Puncher interface,an overrun, parity or framing error was generated. The number of bits of input data or setting of baud rate or specification No. of I/O unit is…

Fanuc Alarm 30: ILLEGAL OFFSET NUMBER Fanus Control Model: Series 0/16/18/21/30i/31i/32i Description This alarm occurs when the CNC control is commanded to use a Tool Offset Number that does not exist in the machine’s memory or exceeds the maximum limit defined by your system’s parameters. This problem is usually caused by incorrect use of T-codes…