Led Indicators - Zehnder Timer RF Betriebsanleitung

4. LED indicators

The LED in the button will light up green briefly to
confirm that the command has been received by the
ventilation unit.
The LED indicators in the buttons also serve as error
indicators.
�Both LED indicators light up red for 1 second.
There is no connection between the Timer RF and
the ventilation unit. If the problem persists, then the
battery requires replacement.
�The LED indicators light up red alternately.
Failed to establish a cordless connection with the
ventilation unit. The ventilation unit is not in program-
ming setting, or the distance between the ventilation
unit and the Timer RF is too large. Repeat tuning to
create a new connection. If the error occurs itself re-
peatedly, you need to select a different location for
the Timer RF or fit an RF Repeater.
18 - EN