0435

Velocity Loop Integral Gain Overflow

Fanuc · αi Series Servo Amplifier

What does 0435 mean?

This invalid parameter setting alarm indicates that the internal calculation value of the velocity loop integral gain has overflowed. This typically occurs when the parameter setting for the integral gain is excessively high, leading to calculation errors.

Repair Steps

  1. 1

    Decrease the value of the velocity loop integral gain parameter.

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Verified technical data. Last updated: March 2026
Source: Fanuc αi Series Servo Amplifier