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Fanuc Servo Amplifier Alarm 400 - SERVO ALARM: n-TH AXIS OVERLOAD

FANUC Alarm Codes >> FANUC Servo Amplifier Alarms >> Servo Amplifier Alarm 400

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FANUC Servo Amplifier Alarm 400, N-TH Axis Overload


The n–th axis (axis 1–8) overload signal is on.

Refer to diagnostic display No. 201, 720 or 721 for details.

  1. Check for any mechanical issues such as binding or excessive load on the n-th axis.
  2. Inspect the servo motor and its connections for any signs of damage or loose connections.
  3. Verify that the axis parameters are correctly set for the specific application.
  4. Check the diagnostic display No. 201, 720, or 721 for further details on the overload signal.
  5. If the overload condition persists, consider adjusting the servo parameters within the allowable limits.
  6. Power off the CNC machine, wait for a few minutes, and then power it back on to reset the system.
  7. Contact Tri Star for further support.

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Having trouble with a FANUC servo amplifier alarm? Contact our servo error support team at Tri Star CNC for help! 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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Send us your damaged parts and our team of highly skilled repair technicians will determine whether or not repairs are necessary or even possible. If your CNC machine’s FANUC parts are damaged beyond repair or you can’t wait around for a repair, you can order replacement components from our exchange stock. Exchange FANUC parts and repaired parts include a 1-year warranty. Tri Star CNC, LLC warrants the COMPLETE ASSEMBLY REPAIR – not just the parts and labor.

Get more details on our FANUC warranty and please contact us for further CNC machine support.

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