Fanuc Servo Amplifier Alarm 402 - SERVO ALARM 3, 4TH AXIS OVERLOAD

3-axis, 4-axis overload signal is on.

Refer to diagnostic display 722 or 723 for details.

1. Check for any mechanical issues such as binding or excessive load on the affected axes (3-axis or 4-axis).
2. Inspect the servo motors and drive systems for signs of damage or malfunction on the specified axes.
3. Verify the parameter settings for the servo system, ensuring they are within recommended limits for the affected axes.
4. Check the diagnostic display No. 722 or 723 for specific details on the overload condition and axis affected.
5. Reset the alarm and attempt to run the machine again to see if the alarm clears.
6. If the alarm persists, consider adjusting the servo parameters or tuning the servo system to better handle the load on the affected axes.
7. Contact Tri Star for further support.