A6

Daikin Indoor Fan Motor Fault

Indoor fan does not run or stops; A6 error appears on Daikin controller

Safety Warning

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

Possible Causes

Failed indoor DC fan motor, Jammed blower wheel, Faulty fan motor drive circuit on indoor PCB, Loose fan motor connector

How to Fix / Troubleshooting

Safety first: Disconnect power before removing the indoor unit cover or touching the fan.

Steps:

Remove the front panel and filters to access the blower area.
Check if the blower wheel spins freely by hand; remove any foreign objects or heavy dust buildup.
Inspect the fan motor wiring harness and connector; reseat firmly.

Technician actions:

Measure fan motor supply voltage from the PCB when the unit calls for fan operation.
If voltage is present but the motor does not run, replace the indoor fan motor.
If no voltage is present and the motor is good, replace or repair the indoor PCB fan drive circuit.

Repair Difficulty

Hard 4/5

Required Part

Indoor Fan Motor

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