Solving Problems Based On Error Codes; To Display The Help Text In Case Of A Malfunction - Daikin Altherma 3 R 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

Installer reference guide
262
Possible causes
Large domestic hot water tapping
happened recently before the
programmed start-up of the disinfection
function
The disinfection operation was stopped
manually: [C.3] Operation > Tank was
turned off during disinfection.
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.
Corrective action
If in [5.6] Tank > Heat up mode the
mode Reheat only or Schedule +
reheat is selected, it is recommended
to program the start-up of the
disinfection function at least 4 hours
later than the last expected large hot
water tapping. This start-up can be set
by installer settings (disinfection
function).
If in [5.6] Tank > Heat up mode the
mode Schedule only is selected, it is
recommended to program a Eco action
3 hours before the scheduled start-up
of the disinfection function to preheat
the tank.
Do NOT stop tank operation during
disinfection.
ERGA04~08EA + EHVH04+08SU18+23EA
Daikin Altherma 3 R F
4P629090-1A – 2021.11