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  • CNC Alarms

    Fanuc Alarm 5065: DIFFERENT AXIS UNIT (PMC AXIS)

    ByCNC Hub Team October 1, 2026

    Fanuc Alarm 5065: DIFFERENT AXIS UNIT (PMC AXIS) Fanuc Control Model: 16 / 18 / 21-Series, 16i/18i/21i and 30i/31i/32i series Fanuc Alarm Description Axes having different increment systems have been specified in the same DI/DO group for PMC axis control. Modify the setting of parameter No. 8010. Have you faced Fanuc Alarm 5065 DIFFERENT AXIS…

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  • CNC Alarms

    Fanuc Alarm 5064: DIFFERRENT AXIS UNIT (IS–B, IS–C)

    ByCNC Hub Team October 1, 2026

    Fanuc Alarm 5064: DIFFERRENT AXIS UNIT (IS–B, IS–C) Fanuc Control Model: 16 / 18 / 21-Series, 16i/18i/21i and 30i/31i/32i series Fanuc Alarm Description Circular interpolation has been specified on a plane consisting of axes having different increment systems. Have you faced Fanuc Alarm 5064 DIFFERRENT AXIS UNIT (IS–B, IS–C) on your machine? Share your experience or…

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  • CNC Alarms

    Fanuc Alarm 5063: IS NOT PRESET AFTER REF.

    ByCNC Hub Team October 1, 2026

    Fanuc Alarm 5063: IS NOT PRESET AFTER REF. Fanuc Control Model: 16 / 18 / 21-Series, 16i/18i/21i and 30i/31i/32i series Fanuc Alarm Description Function category: Workpiece thickness measurement Alarm details The position counter was not preset before the start of workpiece thickness measurement. This alarm is issued in the following cases;(1) An attempt has been…

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  • CNC Alarms

    Fanuc Alarm 5062: ILLEGAL COMMAND IN G02.3/G03.3

    ByCNC Hub Team October 1, 2026

    Fanuc Alarm 5062: ILLEGAL COMMAND IN G02.3/G03.3 Fanuc Control Model: 16 / 18 / 21-Series, 16i/18i/21i and 30i/31i/32i series Fanuc Alarm Description The value specified in an exponential interpolation command (G02.3/03.3) is illegal. A value that does not allow exponential interpolation is specified. (For example, a negative value is specified in In.) Have you faced…

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  • CNC Alarms

    Fanuc Alarm 5061: ILLEGAL FORMAT IN G02.3/G03.3

    ByCNC Hub Team October 1, 2026

    Fanuc Alarm 5061: ILLEGAL FORMAT IN G02.3/G03.3 Fanuc Control Model: 16 / 18 / 21-Series, 16i/18i/21i and 30i/31i/32i series Fanuc Alarm Description The exponential interpolation command (G02.3/G03.3) has a format error. Address I, J, or K is not specified. The value of address I, J, or K is 0. Have you faced Fanuc Alarm 5061…

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  • CNC Alarms

    Fanuc Alarm 5060: ILLEGAL PARAMETER IN G02.3/G03.3

    ByCNC Hub Team October 1, 2026

    Fanuc Alarm 5060: ILLEGAL PARAMETER IN G02.3/G03.3 Fanuc Control Model: 16 / 18 / 21-Series, 16i/18i/21i and 30i/31i/32i series Fanuc Alarm Description There is a parameter setting error. Parameter No. 5641 (setting of the linear axis) is not set. The axis set in parameter No. 5641 is not a linear axis. Parameter No. 5642 (setting…

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  • CNC Alarms

    Fanuc Alarm 5054: M–NET RECEIVE ERROR

    ByCNC Hub Team October 1, 2026

    Fanuc Alarm 5054: M–NET RECEIVE ERROR Fanuc Control Model: 16 / 18 / 21-Series, 16i/18i/21i and 30i/31i/32i series Fanuc Alarm Description Polling time monitoring error (parameter No. 176) Have you faced Fanuc Alarm 5054 M–NET RECEIVE ERROR on your machine? Share your experience or troubleshooting tips in the comments below to help other CNC operators and…

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  • CNC Alarms

    Fanuc Alarm 5053: M–NET CONNECT ERROR

    ByCNC Hub Team October 1, 2026

    Fanuc Alarm 5053: M–NET CONNECT ERROR Fanuc Control Model: 16 / 18 / 21-Series, 16i/18i/21i and 30i/31i/32i series Fanuc Alarm Description Connection time monitoring error (parameter No. 175) Have you faced Fanuc Alarm 5053 M–NET CONNECT ERROR on your machine? Share your experience or troubleshooting tips in the comments below to help other CNC operators and…

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  • CNC Alarms

    Fanuc Alarm 5052: M–NET ETX ERROR

    ByCNC Hub Team October 1, 2026

    Fanuc Alarm 5052: M–NET ETX ERROR Fanuc Control Model: 16 / 18 / 21-Series, 16i/18i/21i and 30i/31i/32i series Fanuc Alarm Description Abnormal ETX code Have you faced Fanuc Alarm 5052 M–NET ETX ERROR on your machine? Share your experience or troubleshooting tips in the comments below to help other CNC operators and programmers clear this error…

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  • CNC Alarms

    Fanuc Alarm 5051: M–NET CODE ERROR

    ByCNC Hub Team October 1, 2026

    Fanuc Alarm 5051: M–NET CODE ERROR Fanuc Control Model: 16 / 18 / 21-Series, 16i/18i/21i and 30i/31i/32i series Fanuc Alarm Description Abnormal character received (other than code used for transmission) Have you faced Fanuc Alarm 5051 M–NET CODE ERROR on your machine? Share your experience or troubleshooting tips in the comments below to help other CNC…

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  • CNC Alarms

    Fanuc Alarm 5050: ILL–COMMAND IN CHOPPING MODE

    ByCNC Hub Team October 1, 2026

    Fanuc Alarm 5050: ILL–COMMAND IN CHOPPING MODE Fanuc Control Model: 16 / 18 / 21-Series, 16i/18i/21i and 30i/31i/32i series Fanuc Alarm Description A command for switching the major axis has been specified for circular threading. Alternatively, a command for setting the length of the major axis to 0 has been specified for circular threading. Have…

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  • CNC Alarms

    Fanuc Alarm 5046: ILLEGAL PARAMETER (ST.COMP)

    ByCNC Hub Team October 1, 2026

    Fanuc Alarm 5046: ILLEGAL PARAMETER (ST.COMP) Fanuc Control Model: 16 / 18 / 21-Series, 16i/18i/21i and 30i/31i/32i series Fanuc Alarm Description The parameter settings for straightness compensation contain an error. Possible causes are as follows;1. A parameter for a movement axis or compensation axis contains an axis number which is not used.;2. More than 128…

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  • CNC Alarms

    Fanuc Alarm 5044: G68 FORMAT ERROR

    ByCNC Hub Team October 1, 2026

    Fanuc Alarm 5044: G68 FORMAT ERROR Fanuc Control Model: 16 / 18 / 21-Series, 16i/18i/21i and 30i/31i/32i series Fanuc Alarm Description M series;A G68 command block contains a format error. This alarm is issued in the following cases;1. I, J, or K is missing from a G68 command block (missing coordinate rotation option).;2. I, J,…

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  • CNC Alarms

    Fanuc Alarm 5041: CAN NOT COMMANDED G110 BLOCK

    ByCNC Hub Team October 1, 2026

    Fanuc Alarm 5041: CAN NOT COMMANDED G110 BLOCK Fanuc Control Model: 16 / 18 / 21-Series, 16i/18i/21i and 30i/31i/32i series Fanuc Alarm Description T series;Blocks containing the G110 codes were successively specified in tool– tip radius compensation for the B–axis. Have you faced Fanuc Alarm 5041 CAN NOT COMMANDED G110 BLOCK on your machine? Share your…

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  • CNC Alarms

    Fanuc Alarm 5040: CAN NOT COMMANDED B–AXS MOVE

    ByCNC Hub Team October 1, 2026

    Fanuc Alarm 5040: CAN NOT COMMANDED B–AXS MOVE Fanuc Control Model: 16 / 18 / 21-Series, 16i/18i/21i and 30i/31i/32i series Fanuc Alarm Description T series;The machine could not move about the B–axis because parameter No.8250 was incorrectly specified, or because the PMC axis system could not be used. Have you faced Fanuc Alarm 5040 CAN…

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  • CNC Alarms

    Fanuc Alarm 5039: START UNREGISTERED B–AXS PROG

    ByCNC Hub Team October 1, 2026October 1, 2026

    Fanuc Alarm 5039: START UNREGISTERED B–AXS PROG Fanuc Control Model: 0i / 0i-Mate – Model B, 16 / 18 / 21 Fanuc Alarm Description T series An attempt was made to execute a program for the B–axis which had not been registered. Have you faced Fanuc Alarm 5039 START UNREGISTERED B–AXS PROG on your machine? Share…

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  • CNC Alarms

    Fanuc Alarm 5038: TOO MANY START M–CODE COMMAND

    ByCNC Hub Team October 1, 2026October 1, 2026

    Fanuc Alarm 5038: TOO MANY START M–CODE COMMAND Fanuc Control Model: 16 / 18 / 21-Series, 16i/18i/21i and 30i/31i/32i series Fanuc Alarm Description T series More than six M codes for starting movement about the B–axis were specified. Have you faced Fanuc Alarm 5038 TOO MANY START M–CODE COMMAND on your machine? Share your experience or…

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  • CNC Alarms

    Fanuc Alarm 5037: ADDRESS Q NOT DEFINED IN G83

    ByCNC Hub Team October 1, 2026October 1, 2026

    Fanuc Alarm 5037: ADDRESS Q NOT DEFINED IN G83 Fanuc Control Model: 16 / 18 / 21-Series, 16i/18i/21i and 30i/31i/32i series Fanuc Alarm Description T series Depth of cut Q was not specified for the G83 code (peck drilling cycle). Alternatively, 0 was specified in Q for the B–axis. Have you faced Fanuc Alarm 5037…

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  • CNC Alarms

    Fanuc Alarm 5036: ADDRESS R NOT DEFINED IN G81–G86

    ByCNC Hub Team October 1, 2026October 1, 2026

    Fanuc Alarm 5036: ADDRESS R NOT DEFINED IN G81–G86 Fanuc Control Model: 0i-T (such as 0i-TB, 0i-TC), 16 / 18 / 21-Series, 16i/18i/21i and 30i/31i/32i series Fanuc Alarm Description T series Point R was not specified for the canned cycle for the B–axis. Have you faced Fanuc Alarm 5036 ADDRESS R NOT DEFINED IN G81–G86 on…

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  • CNC Alarms

    Fanuc Alarm 5035: NO FEEDRATE COMMANDED B–AXS

    ByCNC Hub Team October 1, 2026October 1, 2026

    Fanuc Alarm 5035: NO FEEDRATE COMMANDED B–AXS Fanuc Control Model: 16i / 18i / 21i-T (Model A and Model B), 0i-T / 0i-Mate-T, 16 / 18-T Fanuc Alarm Description T series A feedrate was not specified for cutting feed about the B–axis. Have you faced Fanuc Alarm 5035 NO FEEDRATE COMMANDED B–AXS on your machine? Share…

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