What can I do if the brennenstuhl®Connect WiFi Smoke and Heat Alarm WRHM01 shows the old status after changing the battery?

1. Remove the old batteries from the detector.
2. Wait for about 15 minutes.
3. Insert the new batteries.

If this does not work you can try the following:

1. Delete and remove the detector from the app including all data.
2. Remove the old batteries from the detector.
3. Wait for about 15 minutes.
4. Insert the new batteries.
5. Perform the teach-in process and add the detector back to the app.

If the battery status has renewed successfully, please perform another function test according to the following instructions: