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ErrorLib — Industrial Fault Code Library

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AUXFB

PI Aux Lvl Loss (Wire-break detection for PI Aux Feedback Level)

Yaskawa · iQpump1000

What does AUXFB mean?

The analog input programmed for “PI Aux FB Level” (H3-oo = 27) has dropped below 3 mA or risen above 21 mA for longer than 1 second.

Common Causes

  • Faulty transducer for PI Aux FB Level.
  • Wiring for the analog input (H3-oo = 27) is damaged or broken.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Repair or replace the transducer.

  2. 2

    Repair the wiring connected to the analog input assigned to PI Aux FB Level.

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

Related Faults

ACCUMAccumulated Level FaultAJFAnti-Jam FaultCPF26-CPF35, CPF40-CPF43Control Circuit Error / CPU error
Source: Yaskawa iQpump1000
Open Manual (Page 251)Search more codes in this manual