If the batteries in your devices are low or depleted, tado° won’t be able to control your heating as intended.
You could encounter the following problems if you don’t replace or recharge low batteries:
The displays on your devices may flicker and buttons could become unresponsive.
You may not be able to control your devices manually.
If the Smart Radiator Thermostat doesn’t have enough battery power to close the radiator valve (or re-close after responding to a Frost Protection action), the valve can remain open and heat continuously.
Your devices could go offline.
When the batteries in your devices are running low, you will receive the following warnings:
Your devices will show a low or depleted battery symbol on their displays.
An error message will appear in the Home page in the tado° app. Click View Device to see which device(s) are affected, or navigate from Settings > Rooms and Devices. Devices with low battery are marked with a red battery icon*.
Please make sure that you replace or recharge your batteries as soon as you receive a low battery notification, either on the device or in the app. This will help your devices stay connected and operate properly.
Note: If you disconnect the Bridge X (along with any other Thread border routers that you might have in your home), the batteries in your tado° devices will deplete much faster. Your tado° devices will spend extra energy constantly searching for an internet connection. Instead, we recommend that you set all rooms to OFF when no heat is needed (e.g. summer months).
*If your tado° device disconnects, the tado° app will show that this device is offline, but can’t display its battery status.