Daikin Air Conditioner Error A6-00

⚡ Quick Answer: The Daikin air conditioner error A6-00 indicates a communication failure between the indoor and outdoor units, specifically linked to a malfunctioning... ✅ DIY Fixable

What Does Error A6-00 Mean?

The Daikin air conditioner error A6-00 indicates a communication failure between the indoor and outdoor units, specifically linked to a malfunctioning indoor fan motor. Symptoms include a non-operational fan, reduced airflow, and the A6 error code displayed on the remote. This issue can arise from fan motor failure, wiring problems, or obstructions affecting the fan blades.

Common Symptoms:

  • Indoor unit fan does not run or stops
  • Reduced or no airflow from the indoor unit
  • Error code displayed on remote/controller indicating A6

Possible Causes

  • Fan motor malfunction (medium)
  • Fan motor wiring/connector issues (medium)
  • Object obstructing fan blades (medium)

How to Fix Error A6-00

DIY Fix Basic user checks

  1. Turn off the air conditioner and isolate power (breaker off or unplug).
  2. Visually inspect the front air intake/grille for obvious obstructions.
  3. If safely accessible, check that the indoor fan area is clear of debris or blockage.
  4. Restore power and attempt a restart to see if the error clears.

Technician Only Professional diagnostic and repair

  1. Measure power and signals at the indoor fan motor to verify proper voltage and control signals.
  2. Inspect and test the fan motor wiring harness and connectors for continuity and secure connections.
  3. Check the fan motor for internal faults, bearing seizure, or overload condition.
  4. Replace the fan motor or associated wiring/connector parts if confirmed faulty.
  5. Inspect control board outputs to the fan motor and replace board if necessary.

Parts needed: fan motor assembly, wiring harness and connectors, possibly indoor unit control board

🛑 When to Call a Pro:
  • If error persists after basic checks
  • If unusual noises, burning smell, or repeated shutdowns occur
  • If user is not comfortable accessing fan area

Next step

Choose the next step for A6-00

Confirm the diagnosis before ordering. An error code can identify the system involved, but it does not prove that a specific part has failed.

Based on diagnostic data

Most relevant component to inspect

Wiring Harness

Connects controls, sensors, motors, and other electrical components inside the appliance.

Typical part-only price
$20 - $120
DIY difficulty
Medium
Estimated time
30-90 mins
Where can I find the model number?

Check the rating label around the door, lid, frame, rear panel, or inside the appliance cabinet. Use the complete model number, including suffixes.

Find a part that fits my model

Verify the complete model and part number on the retailer's compatibility page before ordering.

Other parts options

Check related components first; use model search as a fallback.

Possible related component

HVAC Control Board

Controls fan, compressor, sensor, and communication functions in the HVAC unit.

$90 - $320 · Hard · 45-120 mins

Check fit & price
Model number required

Model-compatible Air Conditioner parts

Enter the complete model number to browse compatible replacement parts. This is a model-based parts search, not a diagnosis that a specific component failed.

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Optional routine care

Maintenance supplies

These products support cleaning or routine upkeep. They are separate from the possible repair components above and are not claimed to fix this error code or symptom.

Maintenance supply

Air Conditioner Fin Cleaner

For routine cleaning of accessible coil fins when permitted by the manufacturer. Disconnect power and follow product and appliance instructions.

View maintenance supply
Maintenance supply

Model-Compatible Washable AC Filter

A reusable filter option only where the appliance supports one. Match the full model, dimensions, and filter specification.

Compatibility check required: use the complete appliance model and compare the existing filter, bag, or specification before ordering.

Find one that fits my model

Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. Recommendations are based on routine-care relevance, not commission rate.

Technical Specifications

wattage N/A
component Control Board
resistance N/A
part_number DAIKIN 4E188F
voltage_rating 220V AC

Common Questions

What does A6-00 error mean on daikin air conditioner?

A6-00 indicates a communication failure due to an indoor fan motor malfunction.

Can I fix daikin air conditioner A6-00 error myself?

Yes, you can perform basic checks like inspecting for obstructions and ensuring power is off.

How much does it cost to fix A6-00 error?

Repair costs range from $100 to $500+, depending on parts and service rates.

When should I call a technician for A6-00?

Call a technician if the error persists after checks or if you hear unusual noises or smell burning.

Data last verified: 2026-07-25

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