My nest thermostat 3rd generation heatlink has suddenly stopped working - no lights at all but 240v is present at the terminals. Pressing buttons etc has no response. Appears to be a common problem with numerous other people reporting exactly the same issue. How do I get a replacement? Thanks.
It's been a while since this thread was last updated so I'll go ahead and lock this thread. If you're still experiencing problems, please feel free to start a new thread and we'll be happy to help.
