Battery Replacement - sanindusa PLAN Instrucciones De Montage Y Manutencion

//BATTERY REPLACEMENT

When the battery weakens, the red indicator light will blink at a
constant rate. The battery must be replaced within two weeks.
To replace the battery:
1 – Release the screw at the bottom of the cover plate and
remove the cover plate.
2 – Release the screws and the protective transparent cover of
the battery housing from the sensor unit.
3 – Replace the used battery with a new 9V battery (Lithium
battery is recommended).
4 – Refit the protective cover and then the wall cover plate.