ErrorCodeDoctor
Daikin · Air Conditioner

Daikin Air Conditioner H7 error code

Difficulty: Hard · Cost: $150–$400 · Duration: Requires professional service

The H7 error means your Daikin air conditioner detected an abnormal signal from the outdoor unit fan motor. This can be caused by a circuit failure in the fan motor, disconnection or short circuit in the fan motor leads, a disconnected connector, or a defective inverter PCB. Contact a qualified technician.

Common causes

  • Abnormal signal from the fan motor due to a circuit failure
  • Disconnection or short circuit in fan motor leads
  • Disconnected fan motor connector
  • Defective inverter PCB

How to fix it

  1. 1

    Contact a qualified technician to inspect the outdoor fan motor signal circuit and 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