ErrorCodeDoctor
Daikin · Air Conditioner

Daikin Air Conditioner A6 error code

Difficulty: Hard · Cost: $150–$400 · Duration: Requires professional service

The A6 error means your Daikin air conditioner detected a fault with the indoor unit fan motor. This can be caused by broken wiring, a short circuit in the fan motor harness, disconnected connectors, a defective fan motor, or a defective indoor unit PCB. Contact a qualified technician to inspect and replace the fan motor or PCB.

Common causes

  • Fan motor wiring is broken or has a short circuit
  • Fan motor harness connector is disconnected
  • Fan motor has failed
  • Indoor unit PCB has malfunctioned

How to fix it

  1. 1

    Contact a qualified technician to inspect the fan motor harness, connectors, and PCB

Related Daikin Air Conditioner error codes

1

A0

An external protection device connected to the indoor unit has been activated

hard
2

A1

A fault was detected in the indoor unit PCB (control board)

hard
3

A3

The drain level control system has detected an abnormality — drain may be clogged

medium
4

A5

Freeze-up protection (cooling) or high pressure control (heating) has activated — check the air filter

easy