0885

Machine Velocity Feedback Coefficient Overflow

Fanuc · αi Series Servo Amplifier

What does 0885 mean?

This invalid parameter setting alarm indicates that the internal calculation value of the machine velocity feedback coefficient has overflowed. This usually happens if the coefficient is set too high, exceeding internal processing limits.

Repair Steps

  1. 1

    Decrease the machine velocity feedback coefficient.

  2. 2

    Alternatively, utilize the vibration-damping control function, which offers an equivalent effect.

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