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    Fanuc Alarm 5213: SCREEN COPY: COMMUNICATION ERROR

    ByCNC Hub Team October 1, 2026

    Fanuc Alarm 5213: SCREEN COPY: COMMUNICATION ERROR Fanuc Control Model: 16 / 18 / 21-Series, 16i/18i/21i and 30i/31i/32i series Fanuc Alarm Description The memory card cannot be used. Check the memory card. (Check whether the memory card is write–protected or defective.) Have you faced Fanuc Alarm 5213 SCREEN COPY: COMMUNICATION ERROR on your machine? Share your…

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  • CNC Alarms

    Fanuc Alarm 5212: SCREEN COPY: PARAMETER ERROR

    ByCNC Hub Team October 1, 2026

    Fanuc Alarm 5212: SCREEN COPY: PARAMETER ERROR Fanuc Control Model: 16 / 18 / 21-Series, 16i/18i/21i and 30i/31i/32i series Fanuc Alarm Description There is a parameter setting error. Check that 4 is set as the I/O channel. Have you faced Fanuc Alarm 5212 SCREEN COPY: PARAMETER ERROR on your machine? Share your experience or troubleshooting tips…

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  • CNC Alarms

    Fanuc Alarm 5199: FINE TORQUE SENSING PARAMETER

    ByCNC Hub Team October 1, 2026

    Fanuc Alarm 5199: FINE TORQUE SENSING PARAMETER Fanuc Control Model: 16 / 18 / 21-Series, 16i/18i/21i and 30i/31i/32i series Fanuc Alarm Description A parameter related to the fine torque sensing function is illegal.;· The storage interval is invalid.;· An invalid axis number is set as the target axis. Correct the parameter. Have you faced Fanuc…

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  • CNC Alarms

    Fanuc Alarm 5198: FSSB: ID DATA NOT READ

    ByCNC Hub Team October 1, 2026

    Fanuc Alarm 5198: FSSB: ID DATA NOT READ Fanuc Control Model: 16 / 18 / 21-Series, 16i/18i/21i and 30i/31i/32i series Fanuc Alarm Description Temporary assignment failed, so amplifier initial ID information could not be read. Have you faced Fanuc Alarm 5198 FSSB: ID DATA NOT READ on your machine? Share your experience or troubleshooting tips in…

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  • CNC Alarms

    Fanuc Alarm 5197: FSSB: OPEN TIME OUT

    ByCNC Hub Team October 1, 2026

    Fanuc Alarm 5197: FSSB: OPEN TIME OUT Fanuc Control Model: 16 / 18 / 21-Series, 16i/18i/21i and 30i/31i/32i series Fanuc Alarm Description The CNC permitted FSSB to open, but FSSB was not opened. Have you faced Fanuc Alarm 5197 FSSB: OPEN TIME OUT on your machine? Share your experience or troubleshooting tips in the comments below…

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  • CNC Alarms

    Fanuc Alarm 5196: ILLEGAL OPERATION (HPCC)

    ByCNC Hub Team October 1, 2026

    Fanuc Alarm 5196: ILLEGAL OPERATION (HPCC) Fanuc Control Model: 16 / 18 / 21-Series, 16i/18i/21i and 30i/31i/32i series Fanuc Alarm Description Detach operation was performed in HPCC mode. (If detach operation is performed in HPCC mode, this alarm is issued after the currently executed block terminates.) Have you faced Fanuc Alarm 5196 ILLEGAL OPERATION (HPCC) on…

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  • CNC Alarms

    Fanuc Alarm 5195: DIRECTION CAN NOT BE JUDGED

    ByCNC Hub Team October 1, 2026

    Fanuc Alarm 5195: DIRECTION CAN NOT BE JUDGED Fanuc Control Model: 16 / 18 / 21-Series, 16i/18i/21i and 30i/31i/32i series Fanuc Alarm Description When the touch sensor with a single contact signal input is used in the direct input B function for tool offset measurement values, the stored pulse direction is not constant. One of…

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  • CNC Alarms

    Fanuc Alarm 5157: PARAMETER ZERO

    ByCNC Hub Team October 1, 2026

    Fanuc Alarm 5157: PARAMETER ZERO Fanuc Control Model: 16 / 18 / 21-Series, 16i/18i/21i and 30i/31i/32i series Fanuc Alarm Description Zero is set in the parameter for the maximum cutting feedrate (parameter No. 1422 or 1432). Zero is set in the parameter for the acceleration/deceleration before interpolation (parameter No. 1770 or 1771). Set the parameter…

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  • CNC Alarms

    Fanuc Alarm 5156: ILLEGAL AXIS OPERATION

    ByCNC Hub Team October 1, 2026

    Fanuc Alarm 5156: ILLEGAL AXIS OPERATION Fanuc Control Model: 16 / 18 / 21-Series, 16i/18i/21i and 30i/31i/32i series Fanuc Alarm Description In look–ahead control mode (multi blocks are read in advance), the controlled axis selection signal (PMC axis control) changes. In look–achead control mode (multi blocks are read in advance), the simple synchronous axis selection…

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  • CNC Alarms

    Fanuc Alarm 5155: NOT RESTART PROGRAM BY G05

    ByCNC Hub Team October 1, 2026

    Fanuc Alarm 5155: NOT RESTART PROGRAM BY G05 Fanuc Control Model: 16 / 18 / 21-Series, 16i/18i/21i and 30i/31i/32i series Fanuc Alarm Description During servo leaning control by G05, an attempt was made to perform restart operation after feed hold or interlock. This restart operation cannot be performed. (G05 leaning control terminates at the same…

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  • CNC Alarms

    Fanuc Alarm 5139: FSSB: ERROR

    ByCNC Hub Team October 1, 2026

    Fanuc Alarm 5139: FSSB: ERROR Fanuc Control Model: 16 / 18 / 21-Series, 16i/18i/21i and 30i/31i/32i series Fanuc Alarm Description Servo initialization did not terminate normally. The optical cable may be defective, or there may be an error in connection to the amplifier or another module. Check the optical cable and the connection status. Have…

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  • CNC Alarms

    Fanuc Alarm 5138: FSSB: AXIS SETTING NOT COMPLETE

    ByCNC Hub Team October 1, 2026

    Fanuc Alarm 5138: FSSB: AXIS SETTING NOT COMPLETE Fanuc Control Model: 16 / 18 / 21-Series, 16i/18i/21i and 30i/31i/32i series Fanuc Alarm Description In automatic setting mode, axis setting has not been made yet. Perform axis setting on the FSSB setting screen. Have you faced Fanuc Alarm 5138 FSSB: AXIS SETTING NOT COMPLETE on your machine?…

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  • CNC Alarms

    Fanuc Alarm 5137: FSSB: CONFIGURATION ERROR

    ByCNC Hub Team October 1, 2026

    Fanuc Alarm 5137: FSSB: CONFIGURATION ERROR Fanuc Control Model: 16 / 18 / 21-Series, 16i/18i/21i and 30i/31i/32i series Fanuc Alarm Description FSSB detected a configuration error. Have you faced Fanuc Alarm 5137 FSSB: CONFIGURATION ERROR on your machine? Share your experience or troubleshooting tips in the comments below to help other CNC operators and programmers clear…

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  • CNC Alarms

    Fanuc Alarm 5136: FSSB: NUMBER OF AMPS IS SMALL

    ByCNC Hub Team October 1, 2026

    Fanuc Alarm 5136: FSSB: NUMBER OF AMPS IS SMALL Fanuc Control Model: 16 / 18 / 21-Series, 16i/18i/21i and 30i/31i/32i series Fanuc Alarm Description In comparison with the number of controlled axes, the number of amplifiers recognized by FSSB is not enough. Have you faced Fanuc Alarm 5136 FSSB: NUMBER OF AMPS IS SMALL on your…

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  • CNC Alarms

    Fanuc Alarm 5135: FSSB: ERROR MODE

    ByCNC Hub Team October 1, 2026

    Fanuc Alarm 5135: FSSB: ERROR MODE Fanuc Control Model: 16 / 18 / 21-Series, 16i/18i/21i and 30i/31i/32i series Fanuc Alarm Description FSSB has entered error mode. Have you faced Fanuc Alarm 5135 FSSB: ERROR MODE on your machine? Share your experience or troubleshooting tips in the comments below to help other CNC operators and programmers clear…

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  • CNC Alarms

    Fanuc Alarm 5134: FSSB: OPEN READY TIME OUT

    ByCNC Hub Team October 1, 2026

    Fanuc Alarm 5134: FSSB: OPEN READY TIME OUT Fanuc Control Model: 16 / 18 / 21-Series, 16i/18i/21i and 30i/31i/32i series Fanuc Alarm Description Initialization did not place FSSB in the open ready state. Have you faced Fanuc Alarm 5134 FSSB: OPEN READY TIME OUT on your machine? Share your experience or troubleshooting tips in the comments…

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  • CNC Alarms

    Fanuc Alarm 5124: CAN NOT COMMAND SPIRAL

    ByCNC Hub Team October 1, 2026

    Fanuc Alarm 5124: CAN NOT COMMAND SPIRAL Fanuc Control Model: 16 / 18 / 21-Series, 16i/18i/21i and 30i/31i/32i series Fanuc Alarm Description A spiral interpolation or conical interpolation was specified in any of the following modes;1) Scaling;2) Programmable mirror image;3) Polar coordinate interpolation In cutter compensation C mode, the center is set as the start…

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  • CNC Alarms

    Fanuc Alarm 5123: OVER TOLERANCE OF END POINT

    ByCNC Hub Team October 1, 2026

    Fanuc Alarm 5123: OVER TOLERANCE OF END POINT Fanuc Control Model: 16 / 18 / 21-Series, 16i/18i/21i and 30i/31i/32i series Fanuc Alarm Description The difference between a specified end point and the calculated end point exceeds the allowable range (parameter 3471). Have you faced Fanuc Alarm 5123 OVER TOLERANCE OF END POINT on your machine? Share…

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  • CNC Alarms

    Fanuc Alarm 5122: ILLEGAL COMMAND IN SPIRAL

    ByCNC Hub Team October 1, 2026

    Fanuc Alarm 5122: ILLEGAL COMMAND IN SPIRAL Fanuc Control Model: 16 / 18 / 21-Series, 16i/18i/21i and 30i/31i/32i series Fanuc Alarm Description A spiral interpolation or conical interpolation command has an error. Specifically, this error is caused by one of the following;1) L = 0 is specified.;2) Q = 0 is specified.;3) R/, R/, C…

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  • CNC Alarms

    Fanuc Alarm 5118: SPL: ERROR

    ByCNC Hub Team October 1, 2026

    Fanuc Alarm 5118: SPL: ERROR Fanuc Control Model: 16 / 18 / 21-Series, 16i/18i/21i and 30i/31i/32i series Fanuc Alarm Description After manual intervention with manual absolute mode set to on, NURBS interpolation was restarted. Have you faced Fanuc Alarm 5118 SPL: ERROR on your machine? Share your experience or troubleshooting tips in the comments below to…

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