Troubleshooting
Operating and installation instructions 0020248975_01
33
7
>
Check whether room air can circulate
freely around the room thermostat, and
that the room thermostat is not covered
by furniture, curtains or other objects.
Conditions
: The display is off
>
Press the setting wheel briefly once.
>
Check whether the “Low battery” sym-
bol is shown in the display.
>
Check that the batteries for the room
thermostat have been correctly inserted
in the battery compartment.
7.2
Command not confirmed
If at least one transceiver does not con-
firm a command, the signal LED lights up
red once the incorrect transmission is
completed.
The reason for the incorrect transmission
may be radio interference caused by one
of the following:
– Transceiver cannot be reached
