0853

Flexible Feed Gear Denominator Error

Fanuc · αi Series Servo Amplifier

What does 0853 mean?

This invalid parameter setting alarm occurs when a positive value is not set for the flexible feed gear denominator. A positive value is required for correct operation of the feed gear calculation.

Repair Steps

  1. 1

    Set a positive value for the flexible feed gear denominator.

Browse all codes in this manual (101)
Verified technical data. Last updated: March 2026
Source: Fanuc αi Series Servo Amplifier