Flow Rate Limit
Flow Rate Limit
Yaskawa · iQpump1000 AC Drive
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
If Flow Rate Limiter is activating improperly, confirm parameter settings P6-01, P6-26, P6-27, P6-28, and P6-29 for proper configuration.
Verified technical data. Last updated: March 2026
Related Faults
Source: Yaskawa iQpump1000 AC Drive