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And yes the old RF receiver was left in, i have removed it and re linked the blacks and isolated the Neutral and live, still no joy.

HI Yes i dont the power issue is the problem, i acknowledge that the installer has used the earth as a neutral. So basically the call to heat is not working from the NEST heat link - they have used 1.5 flat twin and earth , solid cable rather than strand, would that cause an issue. is there...

Hi Thank you for your reply. Attached pictures as requested. i have also checked with my neighbours boiler (same model) and attached the picture MY BOILER which shows there boiler with no programable thermostat. if i replicate this with my boiler ie put connectors back as in my picture would...

Hi new to this forum and seen some good detailed posts on commissioning my Nest Heat link/thermostat. I have carried out the following. 1. Removed existing link cable in Boilers terminal block - see attached picture 2. Installed and wired the Heat link to the mains (240v) and connected...