LOWFL

Low Flow

Yaskawa · iQpump1000 AC Drive

What does LOWFL mean?

After the P6-08 delay at start, the measured water flow has fallen below the P6-06 level for the time set in P6-07. This fault is effective only when P1-09 (Low Flow Select) is set to 2 (fault).

Common Causes

  • Insufficient water flow through the system.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Increase the water flow.

  2. 2

    Set the Low Flow fault characteristics using parameters P6-06, P6-07, and P6-08.

  3. 3

    Control drive response to this condition using P6-09 (Low Flow Select).

  4. 4

    Control auto-restart of this fault using P6-09 (Low Flow Select) and P6-10 (Low Flow Auto-restart Time).

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

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