Fanuc 21 alarm codes complete list. (Fanuc 21 Model B)

Fanuc Series 21-T CNC Control

Fanuc 21 Alarm Codes

0 PLEASE TURN OFF POWER

1 TH PARITY ALARM

2 TV PARITY ALARM

3 TOO MANY DIGITS

4 ADDRESS NOT FOUND

5 NO DATA AFTER ADDRESS

6 ILLEGAL USE OF NEGATIVE SIGN

7 ILLEGAL USE OF DECIMAL POINT

9 ILLEGAL ADDRESS INPUT

10 IMPROPER GCODE 11 NO FEEDRATE COMMANDED

14 CAN NOT COMMAND G95 (M series)

14 ILLEGAL LEAD COMMAND (T series)

15 TOO MANY AXES COMMANDED (M series)

15 TOO MANY AXES COMMANDED (T series)

20 OVER TOLERANCE OF RADIUS

21 ILLEGAL PLANE AXIS COMMANDED

22 NO CIRCLE RADIUS

23 ILLEGAL RADIUS COMMAND (T series)

25 CANNOT COMMAND F0 IN G02/G03 (M series)

27 NO AXES COMMANDED IN G43/G44 (M series)

28 ILLEGAL PLANE SELECT

29 ILLEGAL OFFSET VALUE (M series)

29 ILLEGAL OFFSET VALUE (T series)

30 ILLEGAL OFFSET NUMBER (M series)

30 ILLEGAL OFFSET NUMBER (T series)

31 ILLEGAL P COMMAND IN G10

32 ILLEGAL OFFSET VALUE IN G10

33 NO SOLUTION AT CRC (M series)

33 NO SOLUTION AT CRC (T series)

34 NO CIRC ALLOWED IN STUP /EXT BLK (M series) 34 NO CIRC ALLOWED IN STUP /EXT BLK (T series) 35 CAN NOT COMMANDED G31 (T series)

36 CAN NOT COMMANDED G31 (M series)

37 CAN NOT CHANGE PLANE IN CRC (M seires)

37 CAN NOT CHANGE PLANE IN NRC (T seires)

38 INTERFERENCE IN CIRCULAR BLOCK (M seires)

38 INTERFERENCE IN CIRCULAR BLOCK (T series)

39 CHF/CNR NOT ALLOWED IN NRC (T series)

40 INTERFERENCE IN G90/G94 BLOCK (T series)

41 INTERFERENCE IN CRC (M seires)

41 INTERFERENCE IN NRC (T seires)

42 G45/G48 NOT ALLOWED IN CRC (M series)

44 G27G30 NOT ALLOWED IN FIXED CYC (M series) 46 ILLEGAL REFERENCE RETURN COMMAND

50 CHF/CNR NOT ALLOWED IN THRD BLK (M series)

50 CHF/CNR NOT ALLOWED IN THRD BLK(T series)