HIAUX
High PI Auxiliary Feedback Level
Yaskawa · iQpump1000 AC Drive
What does HIAUX mean?
The PI Aux Feedback has risen above the Q6-12 level for longer than the time set in Q6-13, while the drive is running in AUTO mode with output frequency greater than zero. This indicates an abnormally high auxiliary feedback signal.
Common Causes
- PI Aux Feedback level is above the Q6-12 threshold for longer than the Q6-13 delay.
Repair Steps & Checklist
Click steps to track your progress.
- 1
Lower the PI Aux Feedback level to within acceptable operating range.
- 2
Adjust parameters Q6-12 (High PI Aux Feedback Level) and Q6-13 (High PI Aux Feedback Level Fault Delay Time).
Verified technical data. Last updated: March 2026
Related Faults
Source: Yaskawa iQpump1000 AC Drive