14 | Troubleshooting
Installer reference guide
259
ERGA04~08E + EHVH04+08SU18+23E
Daikin Altherma 3 R F
4P629090-1C – 2022.08
INFORMATION
See the service manual for:
▪ The complete list of error codes
▪ A more detailed troubleshooting guideline for each error
14.4.1 To display the help text in case of a malfunction
In case of a malfunction, the following will appear on the home screen depending
on the severity:
▪ : Error
▪ : Malfunction
You can get a short and a long description of the malfunction as follows:
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.
14.4.2 Error codes: Overview
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
80-01 Returning water temperature sensor problem
81-00 Leaving water temperature sensor problem
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)
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