FH
Daikin
Daikin air conditioner error FH
Meaning
Fan heat - communicating mode only — fan only
Models
DX16TC, DX18TC, DX7TC, DZ16TC, DZ18T, DZ7TC
Causes and how to check
- the cited manual page, and follow-up questions
No account needed to look up codes.
Guides
- Communication error between indoor and outdoor unit: what to check, in which order
Communication (transmission) error codes usually come from the connecting wire, the supply or a board. The checks from easy to hard. - Indoor or outdoor fan motor error: causes and checks
When the unit reports a fan error: check the mechanics, connectors, supply and speed feedback before replacing the motor or the board.