21
LED status displays
In the following, all possible status display of every LED is listed, in descending order of priority. Only
topmost (= highest priority) active status will be displayed.
The LED will flash in the presented colours from left to right and then repeat the process of as long
as the corresponding status (and no other status with higher priority) is active. Grey means that the
LED is not lit.
One cell is equal to 250ms.
LED „Status“
1. The controller is in
(see page 20)
2. Valve
reset
active. If the controller receives feedback about an error from the valve, the valve will
be reset. During this process, this LED status is active.
3.
Error:
Sensor for DHW temperature T
WW
(in the flow sensor)
4. Primary pump
error
5. Valve
error
6.
Error:
cold water sensor T
KW
7.
Error:
primary flow sensor T
Pri
8. Controller, valve and all pumps are in working order.
LED „Pump“
1. Circulation line pump is active
2. Primary pump is active
3. Pump is inactive. If the “Pump” LED is not lit despite DHW being drawn, the flow sensor or the
controller is likely defective.
