Daikin ETVH16S18EA9W, User Reference Manual

Page: 60 / 68

8 | Troubleshooting
User reference guide
60
ETVH/X16S(U)18+9W + ETBH/9W
Daikin Altherma 3 H HT F+W
4P644740-1 – 2021.02
Possible cause Corrective action
Various malfunctions. Check if or is displayed on the
home screen of the user interface. See
"8.1 To display the help text in case of a
malfunction"
[
4
57] for more
information about the malfunction.
(a)
We recommend to purge air with the air purge function of the unit (to be performed by
the installer). If you purge air from the heat emitters or collectors, mind the following:
WARNING
Air purging heat emitters or collectors. Before you purge air from heat emitters or
collectors, check if or is displayed on the home screen of the user interface.
▪
If not, you can purge air immediately.
▪
If yes, make sure that the room where you want to purge air is sufficiently
ventilated.
Reason: Refrigerant might leak into the water circuit, and
subsequently into the room when you purge air from the heat emitters or
collectors.