Abus FUBW50010 Mode D'emploi page 21

The sensor must NOT be attached in the following
locations:
- Opposite heat sources or windows
- Above heaters
- Next to the floor
- Near large metal structures
- Less than 1 metre away from power or gas lines
- Near electronic or wireless devices
- Less than 30 mm away from the ceiling
Installation
Open the housing by loosening the screw on the bottom of
the sensor and removing the rear part of the housing.
Insert the enclosed 3.6 V AA lithium battery correctly.
Note:
If the activity LED on the sensor flashes continuously, then
an error has occurred or the battery is empty. Replace the
battery, then check whether the LED functions normally.
Sensor cover
1. Remove the PCB.
2. Fold the sensor cover downwards. This hides all lines
apart from the upper one.
3. Replace the PCB.
21