For our basic troubleshoot, please follow the following:
1. Please make sure your Bluetooth is enabled on your phone.
2. Open your WaterGuru App.
3. Select Add Pool option
4. Add Batteries + cassette
5. Place the cassette inside the mesh bag
6. Place SENSE in the skimmer
7. Add desired name for your pool to be connected to your SENSE device.
8. Setup Wi-Fi (Requires Bluetooth)
9. Connect the APP to your SENSE device.
10. Complete Setup
You may want to check out this video====> SENSE-Gen-2-setup on how to install or replace your SENSE batteries.