56
Replacing batteries
the display to turn (see fig. 11). The display will
rotate by 180°.
The operating lock of the radiator thermostat
can be activated and deactivated via the
Homematic 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 ra-
diator 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.
• Open the battery compartment (C) by pushing
the battery compartment cover (C) down (see
fig. 3).
• Remove the empty 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 fig. 12).
• Slide the battery compartment cover (C) back on
from the bottom upwards (see fig. 5).
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