Daikin Air Conditioner Error A6

⚡ Quick Answer: The Daikin air conditioner A6 error indicates a communication failure between the indoor and outdoor units, often caused by an indoor fan motor malfun... ⚠️ Difficulty Varies

What Does Error A6 Mean?

The Daikin air conditioner A6 error indicates a communication failure between the indoor and outdoor units, often caused by an indoor fan motor malfunction or obstruction. Symptoms include the indoor fan not running, weak airflow, and the A6 error being displayed on the unit or remote. This can result from a faulty fan motor, issues with wiring or connectors, or faults in the indoor PCB fan drive circuit.

Common Symptoms:

  • Indoor fan does not run or stops when operating
  • Airflow is weak or absent from unit
  • Error A6 displayed on indoor unit/remote

Possible Causes

  • Indoor fan motor failure (medium)
  • Obstruction or jam of fan or blower wheel (medium)
  • Faulty wiring/connectors between fan motor and PCB (medium)
  • Indoor PCB fan drive circuit fault (medium)

How to Fix Error A6

DIY Fix Basic checks before calling service

  1. Turn off the air conditioner and cut power at the breaker.
  2. Check that nothing visible is blocking the indoor fan or blower wheel (dust, objects).
  3. After ~1 minute, restore power and see if the error persists.

Technician Only Professional inspection and repair

  1. Inspect and test the indoor fan motor for proper rotation and electrical function.
  2. Check wiring harness and connectors for continuity and secure connections.
  3. Measure drive voltage from indoor PCB to the fan motor to verify PCB function.
  4. Replace defective fan motor or indoor PCB components as required.

Parts needed: Indoor fan motor, Fan blade/blower wheel, Indoor PCB/fan drive circuitry, Wiring harness/connectors

🛑 When to Call a Pro:
  • If error persists after basic power reset and visible obstruction check
  • If strange noises, vibrations, or smells accompany the fault
  • If unit still fails to operate normally after user-level checks

Technical Specifications

wattage N/A
component Control Board
resistance N/A
part_number DAIKIN 4A001C1
voltage_rating 230V AC

Common Questions

What does A6 error mean on daikin air conditioner?

A6 error indicates a communication fault, often due to indoor fan motor issues or obstruction.

Can I fix daikin air conditioner A6 error myself?

Yes, check for obstructions and reset power; if the error persists, call a technician.

How much does it cost to fix A6 error?

Repair costs for A6 error typically range from low to mid hundreds USD, depending on parts and labor.

When should I call a technician for A6?

Call a technician if the error persists after basic checks or if there are strange noises or smells.

Data last verified: 2026-07-01

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