https://www.googlenestcommunity.com/t5/Nest-Thermostats/Nest-E/m-p/91083#M20425 <P>Hi i had a heating engineer connect the heat link to the boiler, all good it can turn the boiler on and off.</P><P>However i plugged display into verified working socket next to boiler and nothing! Nothing on screen at all and pressing button on screen gets no respnse.</P><P>Ive not connectex app yet but is this necessary for screen to come on</P><P>Suggestions welcome please !</P><P>&nbsp;</P><P>Thanks</P><P>&nbsp;</P><P>&nbsp;</P><P>&nbsp;</P> Mon, 24 Jan 2022 18:22:25 GMT sylvesm 2022-01-24T18:22:25Z https://www.googlenestcommunity.com/t5/Nest-Thermostats/Nest-E/m-p/91083#M20425 <P>Hi i had a heating engineer connect the heat link to the boiler, all good it can turn the boiler on and off.</P><P>However i plugged display into verified working socket next to boiler and nothing! Nothing on screen at all and pressing button on screen gets no respnse.</P><P>Ive not connectex app yet but is this necessary for screen to come on</P><P>Suggestions welcome please !</P><P>&nbsp;</P><P>Thanks</P><P>&nbsp;</P><P>&nbsp;</P><P>&nbsp;</P> Mon, 24 Jan 2022 18:22:25 GMT https://www.googlenestcommunity.com/t5/Nest-Thermostats/Nest-E/m-p/91083#M20425 sylvesm 2022-01-24T18:22:25Z