10019

Runaway Detection Parameter Overflow

Fanuc · Alpha i Series Servo Amplifier

What does 10019 mean?

This invalid parameter setting alarm indicates that the internal calculation value of a parameter related to runaway detection has overflowed. This suggests an issue with the runaway detection function's configuration, leading to computational errors.

Common Causes

  • The parameter used for runaway detection has overflowed its valid range.
  • An internal calculation for runaway detection exceeded the maximum value.
  • Parameter P100.1 (Runaway Threshold) is set excessively high.
  • Sensor data used for runaway detection is abnormally large.

Repair Steps & Checklist

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  1. 1

    Disable the runaway detection function by setting bit 0 of parameter 1740 (Series 15) or 2200 (Series 16, etc.) to 1.

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Verified technical data. Last updated: March 2026

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Source: Fanuc Alpha i Series Servo Amplifier