ErrorCodeDoctor
Daikin · Air Conditioner

Daikin Air Conditioner E6 error code

Difficulty: Hard · Cost: $300–$1500 · Duration: 5m

The E6 error means your Daikin air conditioner detected that the standard (non-inverter) compressor motor has an overcurrent or is mechanically locked. This can be caused by a defective compressor, a defective control PCB, or the stop valve not being opened. Check that all refrigerant stop valves on the outdoor unit are fully open. If they are open contact a qualified technician urgently.

Common causes

  • Defective compressor
  • Defective control PCB
  • Stop valve on the refrigerant piping is not opened

How to fix it

  1. 1

    Check that all refrigerant stop valves on the outdoor unit are fully open

  2. 2

    If stop valves are open contact a qualified technician urgently to inspect the compressor and control PCB

Related Daikin Air Conditioner error codes

1

A0

An external protection device connected to the indoor unit has been activated

hard
2

A1

A fault was detected in the indoor unit PCB (control board)

hard
3

A3

The drain level control system has detected an abnormality — drain may be clogged

medium
4

A5

Freeze-up protection (cooling) or high pressure control (heating) has activated — check the air filter

easy