h6
Moderate
Daikin · Mini-Splits & Ductless Systems
Compressor Position Detection Sensor Fault
Quick Answer
Error code H6 on your Daikin Mini-Splits & Ductless Systems means: Compressor Position Detection Sensor Fault. This is usually fixable — see the step-by-step guide below.
Likely Causes
How to Fix It
1
Power cycle the system and attempt to restart
2
Check wiring connections between the compressor and the inverter board
3
Inspect the inverter board for visible damage or burnt components
4
Measure compressor winding resistance to rule out a winding fault
5
This fault typically requires compressor or inverter board replacement by a licensed Daikin-certified technician
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
Inverter board
Compressor
Compressor wiring harness
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