e6
Moderate
Daikin · Mini-Splits & Ductless Systems
Compressor Overcurrent
Quick Answer
Error code E6 on your Daikin Mini-Splits & Ductless Systems means: Compressor Overcurrent. This is usually fixable — see the step-by-step guide below.
Likely Causes
How to Fix It
1
Measure compressor winding resistance across all three terminals and to ground with a megohmmeter
2
Check for liquid refrigerant return by inspecting the suction line for ice or heavy sweating past the service valve
3
Measure input current to the compressor during startup and running conditions
4
Inspect the inverter board for damage or fault codes
5
Compressor and inverter board diagnostics require a licensed HVAC technician with Daikin VRV/mini-split training
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
Compressor
Inverter board
Compressor wiring harness
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