Daikin Air Conditioner error codes

Select a Daikin air conditioner error code to see what it means, common causes, and how to fix it.

Error Codes

A communication fault was detected between multiple indoor units

A communication fault was detected between outdoor units

A communication fault was detected between remote controllers

A transmission fault was detected between other indoor and outdoor unit systems

An improper combination of indoor and outdoor units was detected

A duplicate address was detected in the centralized control equipment

A communication fault was detected between the indoor unit and centralized control equipment

The system has not been set up yet — check transmission wiring and run check operation

A system malfunction was detected

A communication fault was detected with an accessory device