ErrorCodeDoctor
Daikin · Air Conditioner

Daikin Air Conditioner E0 error code

Difficulty: Hard · Cost: $80–$350 · Duration: Requires professional service

The E0 error means a protection device connected to the outdoor unit PCB has been activated. This can be caused by a defective protection device connector contact or the protection device itself being triggered by an actual fault condition. Contact a qualified technician to inspect the outdoor unit protection devices.

Common causes

  • Protection device connected to the outdoor unit PCB was activated
  • Defective protection device connector contact

How to fix it

  1. 1

    Contact a qualified technician to identify which protection device was activated and inspect the outdoor unit

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