To Display The Help Text In Case Of A Malfunction; Error Codes: Overview - Daikin EPRA18DAV3 Installer's Reference Manual

13.4.1 To display the help text in case of a malfunction

13.4.2 Error codes: Overview

Error codes of the unit
EPRA14~18DAV3+W1 + ETVH/X16S18+23DA6V+9W(G)
Daikin Altherma 3 H HT F
4P587502-1B – 2020.12
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 frozen (during defrost)
89-02 Heat exchanger frozen (not during defrost)
89-03 Heat exchanger frozen (during defrost)
8F-00
Abnormal increase outlet water temperature
(DHW)
8H-00 Abnormal increase outlet water temperature
8H-01 Overheating mixed water circuit
8H-02 Overheating mixed water circuit (thermostat)
8H-03 Overheating water circuit (thermostat)
A1-00 Zero cross detection problem
A5-00 OU: High pressure peak cut / freeze protection
problem
13 Troubleshooting
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Description
Installer reference guide
225