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A6

A6 - Malfunction of fan motor (Indoor Unit)

Daikin · Simple Self Diagnosis by Malfunction Code | Daikin

What does A6 mean?

This code indicates a problem with the indoor unit's fan motor. The fan might be blocked, not spinning correctly, or have an electrical issue.

Common Causes

  • Indoor fan motor failure
  • Loose wiring to the fan motor
  • Obstruction preventing the fan from spinning

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Turn off the power to the unit at the breaker.

  2. 2

    Check for any obstructions around the indoor fan.

  3. 3

    Verify that the fan blades can spin freely by hand.

  4. 4

    Turn the power back on and see if the error clears.

  5. 5

    If the error persists, contact a qualified technician.

Browse all codes in this manual (60)
Verified technical data. Last updated: April 2026

Related Faults

6-06-0 - External protection device activated (Heat reclaim ventilator)6-16-1 - Malfunction of PCB (Heat reclaim ventilator)6-26-2 - Ozone density abnormal (Heat reclaim ventilator)
Source: Simple Self Diagnosis by Malfunction Code | Daikin
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