Fanuc Alarms

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

Fanuc Alarm 56 NO END POINT & ANGLE IN CHF/CNR

Fanuc Alarm 56 NO END POINT & ANGLE IN CHF/CNR Fanuc Alarm Description T series Neither the end point nor angle is specified in the command for the block next to that…

Fanuc Alarm 55 MISSING MOVE VALUE IN CHF/CNR

Fanuc Alarm 55 MISSING MOVE VALUE IN CHF/CNR Fanuc Alarm Description In chamfering or corner R block, the move distance is less than chamfer or corner R amount. Modify the…

Fanuc Alarm 53 TOO MANY ADDRESS COMMANDS

Fanuc Alarm 53 TOO MANY ADDRESS COMMANDS Fanuc Alarm Description M series For systems without the arbitary angle chamfering or corner R cutting, a comma was specified. For systems with…

Fanuc Alarm 52 CODE IS NOT G01 AFTER CHF/CNR

Fanuc Alarm 52 CODE IS NOT G01 AFTER CHF/CNR Fanuc Alarm Description The block next to the chamfering or corner R block is not G01, G02,or G03.Modify the program. T…

Fanuc Alarm 51 MISSING MOVE AFTER CHF/CNR

Fanuc Alarm 51 MISSING MOVE AFTER CHF/CNR Fanuc Alarm Description T series Improper movement or the move distance was specified in the block next to the chamfering or corner R…

Fanuc Alarm 50 CHF/CNR NOT ALLOWED IN THRD BLK

Fanuc Alarm 50 CHF/CNR NOT ALLOWED IN THRD BLK Fanuc Alarm Description Chamfering or corner R is commanded in the thread cutting block. Modify the program. M series Optional chamfering…

Fanuc Alarm 49 ILLEGAL OPERATION (G68/G69)

Fanuc Alarm 49 ILLEGAL OPERATION (G68/G69) Fanuc Alarm Description The commands for three–dimensional coordinate conversion (G68,G69) and tool length compensation (G43, G44, G45) are not nested.Modify the program. 30i, 31i,…

Fanuc Alarm 48 BASIC 3 AXIS NOT FOUND

Fanuc Alarm 48 BASIC 3 AXIS NOT FOUND Fanuc Alarm Description For startup of three–dimensional tool compensation or three–dimensional coordinate conversion, the three basic axes used when Xp,Yp and Zp…

Fanuc Alarm 47 ILLEGAL AXIS SELECT

Fanuc Alarm 47 ILLEGAL AXIS SELECT Fanuc Alarm Description Two or more parallel axes (in parallel with a basic axis) have been specified upon start–up of three–dimensional tool compensation or…

Fanuc Alarm 46 ILLEGAL REFERENCE RETURN COMMAND

Fanuc Alarm 46 ILLEGAL REFERENCE RETURN COMMAND Fanuc Alarm Description Other than P2, P3 and P4 are commanded for 2nd, 3rd and 4th reference position return command. 30i, 31i, 32i…

Fanuc Alarm 45 ADDRESS Q NOT FOUND(G73/G83)

Fanuc Alarm 45 ADDRESS Q NOT FOUND(G73/G83) Fanuc Alarm Description In canned cycle G73/G83, the depth of each cut (Q) is not specified. Alternatively,Q0 is specified. Correct the program. 30i,…

Fanuc Alarm 44 G27–G30 NOT ALLOWED IN FIXED CYC

Fanuc Alarm 44 G27–G30 NOT ALLOWED IN FIXED CYC Fanuc Alarm Description One of G27 to G30 is commanded in canned cycle mode.Modify the program. Applies to Fanuc CNC Controls…

Fanuc Alarm 42 G45/G48 NOT ALLOWED IN CRC

Fanuc Alarm 42 G45/G48 NOT ALLOWED IN CRC Fanuc Alarm Description Tool offset (G45 to G48) is commanded in cutter compensation. Modify the program. 30i, 31i, 32i Model A Tool…

Fanuc Alarm 41 INTERFERENCE IN CRC / NRC

Fanuc Alarm 41 INTERFERENCE IN NRC Fanuc Alarm Description Overcutting will occur in tool nose radius compensation. Modify the program.

Fanuc Alarm 41 INTERFERENCE IN CRC

Fanuc Alarm 41 INTERFERENCE IN CRC Fanuc Alarm Description M seires Overcutting will occur in cutter compensation C. Two or more blocks are consecutively specified in which functions such as…

Fanuc Alarm 40 INTERFERENCE IN G90/G94 BLOCK

Fanuc Alarm 40 INTERFERENCE IN G90/G94 BLOCK Fanuc Alarm Description Overcutting will occur in tool nose radius compensation in canned cycle G90 or G94. Modify the program. Applies to Fanuc CNC Controls 21 Model…

Fanuc Alarm 39 CHF/CNR NOT ALLOWED IN NRC

Fanuc Alarm 39 CHF/CNR NOT ALLOWED IN NRC Fanuc Alarm Description Chamfering or corner R was specified with a start–up, a cancel, or switching between G41 and G42 in tool nose radius compensation….

Fanuc Alarm 38 INTERFERENCE IN CIRCULAR BLOCK

Fanuc Alarm 38 INTERFERENCE IN CIRCULAR BLOCK Fanuc Alarm Description Overcutting will occur in tool radius/tool nose radius/cutter compensation because the arc start point or end point coincides with the arc…

Fanuc Alarm 37 CAN NOT CHANGE PLANE IN CRC

Fanuc Alarm 37 CAN NOT CHANGE PLANE IN CRC Fanuc Alarm Description M seires G40 is commanded on the plane other than offset plane in cutter compensation B. The plane…

Fanuc Alarm 36 CAN NOT COMMANDED G31

Fanuc Alarm 36 CAN NOT COMMANDED G31 Fanuc Alarm Description Skip cutting (G31) was specified in cutter compensation mode.Modify the program. Applies to Fanuc CNC Controls 21 Model B

Fanuc Alarm 35 CAN NOT COMMANDED G31

Fanuc Alarm 35 CAN NOT COMMANDED G31 Fanuc Alarm Description T series Skip cutting (G31) was specified in tool nose radius compensation mode. Modify the program. 30i, 31i, 32i Model A G31 cannot…

Fanuc Alarm 35 CAN NOT COMMANDED G39 (M Series)

Fanuc Alarm 35 CAN NOT COMMANDED G39 Fanuc Alarm Description G39 is commanded in cutter compensation B cancel mode or on the plane other than offset plane. Modify the program.

Fanuc Alarm 58 END POINT NOT FOUND

Fanuc Alarm 58 END POINT NOT FOUND Fanuc Alarm Description In a arbitrary angle chamfering or corner R cutting block, a specified axis is not in the selected plane. Correct…

Fanuc Alarm 23 ILLEGAL RADIUS COMMAND (T series)

Fanuc Alarm 23 ILLEGAL RADIUS COMMAND (T series) Fanuc Alarm Description In circular interpolation by radius designation, negative value was commanded for address R. Modify the program. Applies to Fanuc CNC Controls 21…

Fanuc Alarm 14 ILLEGAL LEAD COMMAND (T Series)

Fanuc Alarm 14 ILLEGAL LEAD COMMAND Fanuc Alarm Description In variable lead threading, the lead incremental and decremental outputted by address K exceed the maximum command value or a command such…

Fanuc Alarm 34 NO CIRC ALLOWED IN ST–UP /EXT BLK

Fanuc Alarm 34 NO CIRC ALLOWED IN ST–UP /EXT BLK Fanuc Alarm Description M Series The start up or cancel was going to be performed in the G02 or G03 mode in…

Fanuc Alarm 33 NO SOLUTION AT CRC

Fanuc Alarm 33 NO SOLUTION AT CRC Fanuc Alarm Description M Series A point of intersection cannot be determined for cutter compensation C. Modify the program. T Series A point of intersection…

Fanuc Alarm 32 ILLEGAL OFFSET VALUE IN G10

Fanuc Alarm 32 ILLEGAL OFFSET VALUE IN G10 Fanuc Alarm Description In setting an offset amount by G10 or in writing an offset amount by system variables, the offset amount was…

Fanuc Alarm 31 ILLEGAL P COMMAND IN G10

Fanuc Alarm 31 ILLEGAL P COMMAND IN G10 Fanuc Alarm Description In setting an offset amount by G10, the offset number following address P was excessive or it was not specified. Modify…

Fanuc Alarm 30 ILLEGAL OFFSET NUMBER

Fanuc Alarm 30 ILLEGAL OFFSET NUMBER Fanuc Alarm Description M Series The offset values specified by D/H code for tool length offset, cutter compensation or 3–dimensional cutter compensation is too large. Otherwise,…

Fanuc Alarm 29 ILLEGAL OFFSET VALUE

Fanuc Alarm 29 ILLEGAL OFFSET VALUE Fanuc Alarm Description M Series The offset values specified by H code is too large. Modify the program. T Series The offset values specified by T…

Fanuc Alarm 28 ILLEGAL PLANE SELECT

Fanuc Alarm 28 ILLEGAL PLANE SELECT Fanuc Alarm Description In the plane selection command, two or more axes in the same direction are commanded. Modify the program. 30i, 31i, 32i Model A…

Fanuc Alarm 27 NO AXES COMMANDED IN G43/G44

Fanuc Alarm 27 NO AXES COMMANDED IN G43/G44 Fanuc Alarm Description No axis is specified in G43 and G44 blocks for the tool length offset type C. Offset is not canceled but another…

Fanuc Alarm 25 CANNOT COMMAND F0 IN G02/G03

Fanuc Alarm 25 CANNOT COMMAND F0 IN G02/G03 Fanuc Alarm Description F0 (fast feed) was instructed by F1 –digit column feed in circular interpolation. Modify the program. Applies to Fanuc CNC Controls…

Fanuc Alarm 22 NO CIRCULAR RADIUS

Fanuc Alarm 22 NO CIRCULAR RADIUS Fanuc Alarm Description When circular interpolation is specified, neither R (specifying an arc radius), nor I, J, and K (specifying the distance from a start point…