a6
Moderate
Daikin · Mini-Splits & Ductless Systems
Indoor Fan Motor Fault
Quick Answer
Error code A6 on your Daikin Mini-Splits & Ductless Systems means: Indoor Fan Motor Fault. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
Likely Causes
How to Fix It
1
Turn off the unit and manually check the fan barrel for free rotation
2
Clean the fan barrel (blower wheel) thoroughly with coil cleaner to remove built-up dust and debris
3
Check the fan motor wiring connector at the indoor PCB for secure connection
4
Measure fan motor resistance across each winding pair with a multimeter
5
Fan motor replacement in mini-splits requires partial disassembly. A licensed HVAC technician should perform this work
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Parts You May Need
Indoor fan motor
Fan barrel (blower wheel)
Motor mounting hardware
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