The degree° thermometer is switched on, but there is no connection to your smartphone.
As soon as the degree° is switched on it sends a Bluetooth signal and the status LED flashes blue. Check whether you have activated the Bluetooth connection on your smartphone and then connect to your degree° by clicking in the degree° app on: Settings > Bluetooth. Please also see the notes on data transmission via Bluetooth that help you to minimize interference.
The app signals connection interrupts.
The Bluetooth connection between your degree° and smartphone is not stable. Please see the notes on data transmission via Bluetooth.
The degree° is located outside the reception or transmission radius to your smartphone.
The data transmission via Bluetooth Low Energy has a radius of max. 10 m. Make sure that degree° and smartphone are within this radius. If the degree° has lost the Bluetooth connection to your smartphone, it tries to reconnection again and the status LED flashes blue.