Internal Fan Fault

What does FAn mean?

The drive's internal cooling fan or its associated magnetic contactor has failed to operate correctly. This fault is detected based on parameter L8-32 settings. A malfunctioning cooling fan can lead to excessive heat buildup within the drive, potentially causing thermal damage, reduced operational life, and further component failures if not addressed promptly.

Complete Troubleshooting Guide

1. 1

   Cycle power to the drive and observe if the fault clears or persists.

2. 2

   Physically inspect the internal cooling fan for operation, obstructions, or damage. Verify its cumulative operation time (U4-03) and the fan maintenance timer (U4-04).

3. 3

   If the cooling fan is damaged, not operating, or has exceeded its expected performance life, replace the fan unit.

4. 4

   For specific drive models (e.g., 2A0250-2A0415, 4A0165-4A1200), if the fault persists after fan checks, the control circuit board or the entire drive unit may require replacement.