EL
ErrorLib
Brands
||
  1. Home
  2. Yaskawa
  3. iQpump1000
  4. voF
About·Privacy·Terms

ErrorLib — Industrial Fault Code Library

Disclaimer: ErrorLib is an independent technical reference tool. While we aim for accuracy, always verify with the manufacturer’s official service manuals before performing maintenance on industrial equipment. ErrorLib is not affiliated with the brands listed.

voF

Output Voltage Detection Fault

Yaskawa · iQpump1000

What does voF mean?

A problem is detected with the voltage on the output side of the drive. This indicates damaged hardware, specifically an internal drive module MC / FAN overheat protection circuit board due to abnormal ambient operating power or temperature.

Common Causes

  • Hardware is damaged within the drive
  • Internal drive module MC / FAN overheat protection circuit board failure due to abnormal ambient operating power
  • Abnormal ambient temperature

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Lower the ambient temperature around the drive

  2. 2

    Replace the control board or the entire drive

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
Open Manual (Page 269)Search more codes in this manual