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Fanuc Spindle Amplifier Alarm 42

FANUC Alarm Codes >> FANUC Spindle Amplifier Alarms >> Spindle Amplifier Alarm 42

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FANUC Spindle Amplifier Alarm Code 42

 

Models AffectedDescriptionTroubleshooting

Fanuc 6063, 6064 serial spindle amps
Fanuc 6072, 6078, 6082, 6088, 6102 amps
Fanuc 6111, 6112, 6116, 6141, 6142 amps

The one-rotation signal of the a position coder is not generated.
The one-rotation signal of the MZ sensor or BZ sensor is not
generated.
The one-rotation signal of a position coder S is not generated.

  1. Troubleshooting when this alarm is issued
    a. The setting of a parameter is incorrect.
    Referring to "FANUC AC SPINDLE MOTOR α series Parameter Manual (B-65160E)," check the parameter for sensor setting.
    b. The MZ sensor or BZ sensor is not adjusted correctly.
    Adjust the sensor according to Subsection 4.3.4 of Part I of this manual. If the sensor cannot be adjusted or the signal is not observed, replace the connection cable and sensor.
    c. The a position coder is faulty.
    Check the check pin PSD on the spindle check board. If the signal is not generated per rotation, replace the connection cable and position coder.
    d. The SPM is faulty.
    Replace the SPM or SPM control printed circuit board.

 

 

Relevant 6063 serial spindle amplifiers to the 42 alarm:

Relevant 6064 serial spindle amplifiers to the 42 alarm:

Relevant 6078 alpha spindle amplifiers to the 42 alarm:

Relevant 6082 alpha spindle amplifiers to the 42 alarm:

Relevant 6088 alpha spindle amplifiers to the 42 alarm:

Relevant 6102 alpha spindle amplifiers to the 42 alarm:

Relevant 6111 spindle amplifiers to the 42 alarm:

Relevant 6112 spindle amplifiers to the 42 alarm:

Relevant 6116 spindle amplifiers to the 42 alarm:

Relevant 6141 spindle amplifiers to the 42 alarm:

Relevant 6142 spindle amplifiers to the 42 alarm:

 


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How Tri Star CNC Can Help with FANUC Alarm Code 42

Our servo error experts at Tri Star CNC can help you troubleshoot and provide solutions for your FANUC servo amp alarms. We offer FREE phone support with REAL humans, call 815-578-9145 and we’ll walk through the servo issue with you. If you need on-site support you can check out our field service network to find a service provider near you.

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