NOWA 360 - Sensor X - Low battery

If a sensor detects that it has a low battery, it will transmit it to the control panel. The NOWA 360 panel will then notify the owner of the low battery.

Here are two documents explaining the reasons why you may get a low battery problem and the solution to resolve the problem.

Here's a video demonstrating how to change your round sensor battery : https://www.youtube.com/watch?v=OaYFdF8IS9k

You can also adjust the volume of the control panel by following this procedure : https://nowa360.freshdesk.com/en/support/solutions/articles/48001167778-how-to-adjust-the-control-panel-sound-level