15
|
Troubleshooting
Installer reference guide
231
EWSAH/X06D
Daikin Altherma 3 WS
4P675764-1 – 2022.04
1
Press the left dial to open the main menu and go to
Malfunctioning
.
Result:
A short description of the error and the error code is
displayed on the screen.
2
Press in the error screen.
Result:
A long description of the error is displayed on the
screen.
15.4.2 Error codes of the unit
Error code
Description
7H-01
Water flow problem
7H-04
Water flow problem during domestic hot water
production
7H-05
Water flow problem during heating/sampling
7H-06
Water flow problem during cooling/defrost
7H-07
Water flow problem. Pump deblocking active
80-00
Returning water temperature sensor problem
81-00
Leaving water temperature sensor problem
81-04
Leaving water temperature sensor not
properly mounted
89-01
Heat exchanger freeze-up protection
activated during defrost (error)
89-02
Heat exchanger freeze-up protection
activated during heating / DHW operation.
(warning)
89-03
Heat exchanger freeze-up protection
activated during defrost (warning)
89-05
Heat exchanger freeze-up protection
activated during cooling operation. (error)
89-06
Heat exchanger freeze-up protection
activated during cooling operation.
(warning)
8F-00
Abnormal increase outlet water temperature
(DHW)
8H-00
Abnormal increase outlet water temperature
8H-03
Overheating water circuit (thermostat)
A1-00
Zero cross detection problem
A5-00
OU: High pressure peak cut / freeze
protection problem
AA-01
Backup heater overheated or BUH power cable
not connected
AH-00
Tank disinfection function not completed
correctly