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
Increase the water flow.
- 2
Set the Low Flow fault characteristics using parameters P6-06, P6-07, and P6-08.
- 3
Control drive response to this condition using P6-09 (Low Flow Select).
- 4
Control auto-restart of this fault using P6-09 (Low Flow Select) and P6-10 (Low Flow Auto-restart Time).
Verified technical data. Last updated: March 2026
Related Faults
Source: Yaskawa iQpump1000 AC Drive