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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.

FAn

Internal Fan Error

Yaskawa · iQpump1000

What does FAn mean?

This fault indicates a malfunction of the internal cooling fan or a failure of the magnetic contactor to the power supply. It can be triggered if the fan has exceeded its expected performance life or is otherwise damaged.

Common Causes

  • Internal cooling fan has malfunctioned
  • Fault detected in the magnetic contactor to the power supply
  • Cooling fan has exceeded its expected performance life (monitor U4-03)

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Cycle power to the drive

  2. 2

    Check for internal cooling fan operation

  3. 3

    Verify the cumulative operation time of the fan with monitor U4-03

  4. 4

    Verify the cumulative operation time of the fan maintenance timer with U4-04

  5. 5

    If the cooling fan has exceeded its expected performance life or is damaged, replace it according to the Peripheral Devices & Options chapter

  6. 6

    If the fault continues after cycling power, replace the power board/gate drive 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 274)Search more codes in this manual