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ErrorLib — Industrial Fault Code Library

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Flow Rate Limit

Flow Rate Limit

Yaskawa · iQpump1000

What does Flow Rate Limit mean?

The drive output speed is being limited due to the Flow Rate (U1-83). This condition indicates that the system flow is either excessively high or low, triggering the internal limiter.

Common Causes

  • Excessive or insufficient water flow causing the Flow Rate Limiter to activate.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    If Flow Rate Limiter is activating improperly, confirm parameter settings P6-01, P6-26, P6-27, P6-28, and P6-29 for proper configuration.

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

Related Faults

ACCUMAccumulated Level FaultAJFAnti-Jam FaultAUXFBPI Aux Lvl Loss (Wire-break detection for PI Aux Feedback Level)
Source: Yaskawa iQpump1000
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