X93;U5” Malfunction Of Transmission Between Hydro-Box And Remote Controller - Daikin EHYHBH05AAV3 Service Manual

Error Codes: System Malfunctions

“U5” Malfunction of Transmission between Hydro-box and Remote Controller

5.6
1
Remote controller
display
Error generation
Supposed causes
3
Troubleshooting
4
5
Caution
Part 4 – Troubleshooting
U5
The error is generated when the microprocessor detects that the transmission between the hydro-box
and the remote controller is not normal over a certain amount of time.
The possible causes are:
Malfunctioning remote controller
Malfunctioning indoor PCB
Outside cause (noise...)
Connection of two master remote controllers (when using two remote controllers).
Be sure to turn off power switch before connect or disconnect connector, or parts damage may be
occurred.
148
ESIE13-02A