Written by Esther

The Nest Thermostat doesn't connect to the Heat Link

Does your Nest Thermostat no longer connect to the Heat link? On the page below you can read how to solve this problem for the 2nd and 3rd generation Nest Thermostat.

Error messages

Below you can read what the error messages look like when you do not have a connection between your thermostat and the Heat Link. The error messages on the 2nd and 3rd generation Nest thermostat are different, but you go through the same steps to solve the problem. The signal between the Nest thermostat and the Heat Link is separate from your Wi-Fi connection at home. The solutions at the bottom of this page apply to a wireless thermostat. You have a wireless thermostat if you have not connected the thermostat to the existing wiring of your old thermostat.

Switch on the heating manually

If the light on the Heat Link is on, it will get current and you will not have to sit in the cold. Turn on your heating system by pressing the Nest button on the Heat Link. When the heating is switched on, the status indicator lights up yellow, the green heating light and the hot water light also turn green. The hot water and the heating are now switched on manually. Now that you are hot, you continue to solve the connection problem.

The points in a row

You solve the connection problems with the Heat Link of the 2nd generation Nest Thermostat the same as the connection problems of the 3rd generation Nest Thermostat. Check the following points to solve the connection problem:

  • Does the Heat Link no longer respond? Restart the Heat Link by pressing and holding the button on the front of the Heat Link. Press and hold the button for 10 seconds until the light goes out. The status light will then turn green once it is connected to your thermostat. Become this yellow? Then there is no connection.
  • Check the installation of the Heat Link. Make sure the Heat Link is installed at least 30 centimeters away from your heating system or boiler and no large metal objects or thick walls block the wireless signal from the thermostat.
  • The maximum distance between the Nest Thermostat and Heat Link is 30 meter. Is the distance between the Heat Link and the Nest too big? Then place the thermostat closer. Here you may use a Nest standard.
  • Check that there are no other electrical devices using the 2.4 GHz signal. Think of cordless phones, baby monitors or IP cameras. Microwaves can also influence the signal when they are on. Disable the conflicting devices and test if it is then possible to connect to the Nest. Can you do it now? Place the devices that disrupt the signal further away from the Heat Link or replace these devices for a wired version, such as a wired telephone. It is possible that other electronic devices do have a good signal from where you are trying to connect to Wi-Fi with your Nest. This is because not all devices have the same WiFi adapter installed. For example, if you have a good connection with your phone at this location, this does not necessarily mean that you have a good connection with your thermostat.

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