To Display The Help Text In Case Of A Malfunction; Error Codes: Overview - Daikin R32 Split Series Installer's Reference Manual

14.4.1 To display the help text in case of a malfunction

14.4.2 Error codes: Overview

Error codes of the unit
EKHWET90~120BAV3
R32 Split series – Domestic hot water tank
4P680077-1 – 2021.11
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.
WARNING
In case F3-00, there is possible risk of refrigerant leak. Contact your installer.
Error code
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)
A1-00
Zero cross detection problem
A5-00
OU: High pressure peak cut / freeze protection
problem
AH-00 Tank disinfection function not completed
correctly
AJ-03 Too long DHW heat-up time required
C4-00 Heat exchanger temperature sensor problem
C5-00 Heat exchanger thermistor abnormality
E1-00 OU: PCB defect
E3-00 OU: Actuation of high pressure switch (HPS)
14 Troubleshooting
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Description
Installer reference guide
103