Solving Problems Based On Error Codes; To Display The Help Text In Case Of A Malfunction; Error Codes Of The Unit - Daikin Altherma 3 H HT F Installer's Reference Manual

14 | Troubleshooting

14.4 Solving problems based on error codes

14.4.1 To display the help text in case of a malfunction

14.4.2 Error codes of the unit

Installer reference guide
258
If the unit runs into a problem, the user interface displays an error code. It is
important to understand the problem and to take measures before resetting an
error code. This should be done by a licensed installer or by your local dealer.
This chapter gives you an overview of most possible error codes and their
descriptions as they appear on the user interface.
INFORMATION
See the service manual for:
▪
The complete list of error codes
▪
A more detailed troubleshooting guideline for each error
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.
Error code
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
81-01
Mixed water thermistor abnormality.
81-06 Entering water temperature thermistor
abnormality (indoor unit)
89-01 Heat exchanger freeze-up protection activated
during defrost (error)
Description
EPRA14~18D + ETVH16SU18+23E
Daikin Altherma 3 H HT F
4P644738-1A – 2022.03