Fanuc Alarms

Fanuc Alarms and Errors e.g. Program errors (P/S alarm), Over travel alarms, Servo alarms etc.

Fanuc Alarm 21 ILLEGAL PLANE AXIS COMMANDED

Fanuc Alarm 21 ILLEGAL PLANE AXIS COMMANDED Fanuc Alarm Description An axis not included in the selected plane (by using G17, G18, G19) was commanded in circular interpolation. Modify the program. Applies…

Fanuc Alarm 20 OVER TOLERANCE OF RADIUS

Fanuc Alarm 20 OVER TOLERANCE OF RADIUS Fanuc Alarm Description In circular interpolation (G02 or G03), difference of the distance between the start point and the center of an arc and that…

Fanuc Alarm 15 TOO MANY AXES COMMANDED

Fanuc Alarm 15 TOO MANY AXES COMMANDED Fanuc Alarm Description M Series: An attempt was made to move the machine along the axes, but the number of the axes exceeded the specified…

Fanuc Alarm 14 CAN NOT COMMAND G95 (M Series)

Fanuc Alarm 14 CAN NOT COMMAND G95 Fanuc Alarm Description A synchronous feed is specified without the option for threading / synchronous feed. Applies to Fanuc CNC Controls 21 Model B

Fanuc Alarm 11 NO FEEDRATE COMMANDED

Fanuc Alarm 11 NO FEEDRATE COMMANDED Fanuc Alarm Description Feedrate was not commanded to a cutting feed or the feedrate was inadequate. Modify the program. Applies to Fanuc CNC Controls 21 Model…

Fanuc Alarm 10 IMPROPER G–CODE

Fanuc Alarm 10 IMPROPER G–CODE Fanuc Alarm Description An unusable G code or G code corresponding to the function not provided is specified. Modify the program. Applies to Fanuc CNC Controls 21…

Fanuc Alarm 9 ILLEGAL ADDRESS INPUT

Fanuc Alarm 9 ILLEGAL ADDRESS INPUT Fanuc Alarm Description Unusable character was input in significant area. Modify the program. Applies to Fanuc CNC Controls 21 Model B

Fanuc Alarm 7 ILLEGAL USE OF DECIMAL POINT

Fanuc Alarm 7 ILLEGAL USE OF DECIMAL POINT Fanuc Alarm Description Decimal point “.” input error (A decimal point was input after an address with which it can not be used. Or…

Fanuc Alarm 6 ILLEGAL USE OF NEGATIVE SIGN

Fanuc Alarm 6 ILLEGAL USE OF NEGATIVE SIGN Fanuc Alarm Description Sign “ – ” input error (Sign “ – ” was input after an address with which it cannot be…

Fanuc Alarm 5 NO DATA AFTER ADDRESS

Fanuc Alarm 5 NO DATA AFTER ADDRESS Fanuc Alarm Description The address was not followed by the appropriate data but was followed by another address or EOB code. Modify the program. OR NC…

Fanuc Alarm 4 ADDRESS NOT FOUND

Fanuc Alarm 4 ADDRESS NOT FOUND Fanuc Alarm Description A numeral or the sign “ – ” was input without an address at the beginning of a block. Modify the program. Applies to…

Fanuc Alarm 3 TOO MANY DIGITS

Fanuc Alarm 3 TOO MANY DIGITS Fanuc Alarm Description Data exceeding the maximum allowable number of digits was input. (Refer to the item of max. programmable dimensions.) OR Data entered with more digits…

Fanuc Alarm 2 TV PARITY ALARM

Fanuc Alarm 2 TV PARITY ALARM 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 Alarm 1 TH PARITY ALARM Fanuc Alarm Description TH alarm (A character with incorrect parity was input). Correct the tape.

Fanuc Alarm 0 PLEASE TURN OFF POWER

Fanuc Alarm 0 PLEASE TURN OFF POWER Fanuc Alarm Description A parameter which requires the power off was input, turn off power.