User manual

44
Replacing batteries
the valve. There will be a pleasant room temper-
ature right away because of the radiated heat.
The operating lock of the radiator thermostat
can be activated and deactivated via the Home-
matic IP app. Tap on the menu symbol in the top
left of the screen of your app and select the
menu item “Device overview”. Select your radia-
tor thermostat to switch the operating lock “ON”
or “OFF”.
7 Replacing batteries
If the symbol for empty batteries ( ) appears in the dis-
play or in the app, please replace the used batteries by
two new LR6/mignon/AA batteries. You must observe
the correct battery polarity.
To insert the batteries into the radiator thermostat,
please proceed as follows:
• Push the battery compartment cover (D) to the
back and downwards to remove it from the de-
vice (see figure 7).
• Remove the (old) batteries.
• Insert two new 1.5 V LR6/mignon/AA batteries
into the battery compartment, making sure that
you insert them the right way round (see figure
8).
• Close the battery compartment (D).