30
EN
12. Changing the battery
1.
Carefully pull the operating unit out of the wall bracket.
2.
Carefully press the battery out of the battery compartment
using a flat, non-conductive object (e.g. a plastic rod).
3.
Replace the battery with a battery of the same type "CR2450".
Pay attention to the correct polarity when inserting a new
battery.
4.
Then insert the operating unit into the wall bracket again .
i
The positive terminal
should point
outwards.
If the battery has discharged and needs to be changed, all red LEDs
will briefly light up when any random button is pressed.
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