My thermostat and app is not connected

- The thermostat is showing a temperature but shows C1, C2 etc. just before turning off the display. Please see My thermostat shows C1, My thermostat shows C2 or My thermostat shows C3

- The thermostat shows a “–“ and starts pulsating blue when I touch it. See “How do I setup my DEVIreg™Smart”

- The thermostat shows a temperature and starts pulsating blue when I touch it. Please see “How do I configure Wi-Fi if the thermostat is already configured?”