Low Battery
If the battery low, the red light
will flash three times every ten
seconds. When replacing batteries
follow steps 1 to 9 on page 5 and 6.
Installation Error
If there is an error in the installation
the TRV LED will flash Red / Green
alternately. Please remove the TRV
from the radiator valve and repeat
the installation steps on page 6.
Low battery in the radiator valve will also be shown as
error code **-22 on the connected thermostat.
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LED Indication