HIFLO

High Flow

Yaskawa · iQpump1000 AC Drive

What does HIFLO mean?

The measured water flow has risen above the P6-17 level for the time set in P6-18. This fault is effective only when P6-19 (High Flow Select) is set to 2 (fault). This indicates an excessively high flow condition.

Common Causes

  • Water flow is too high, exceeding the P6-17 threshold for the P6-18 duration.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Reduce the water flow.

  2. 2

    Set the High Flow fault characteristics using parameters P6-17 and P6-18.

  3. 3

    Control drive response to this condition using P6-19 (High Flow Select).

  4. 4

    Control auto-restart of this fault using P6-19 (High Flow Select).

Browse all codes in this manual (45)
Verified technical data. Last updated: March 2026

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