Symbols On The Display - A.O. Smith CAWH 8-455-6 Installation, User And Service Manual

3.1.2
EN
20

Symbols on the display

The symbols on the display give visual information about the status of the water heater.
Symbol Description
There is a heat demand.
The water temperature rises.
End of water heating (standby).
The water temperature drops.
The water heater is not able to initiate the heating
cycle.
The heating element icons for a water heater. The
open circles represent the heating elements that
are not energized with an electric current.
The heating element icon for a water heater. The
filled circles represent the heating elements that
are energized with an electrical current.
The control system is in heating mode.
The heat exchanger is active.
Error.
Warning.
User part