Your thermostat uses activity sensors to determine when you’re home or away so that it knows when to switch to your Eco Temperature to help save energy. Either your system is incorrectly wired so that OpenTherm isn’t functioning, or your system isn’t OpenTherm compatible but the OpenTherm option was selected in the Nest app setup.

T200377 | Silver Google Nest Learning Thermostat and Heatlink | T200377 | Silver

Your thermostat may be too far away from the Heat Link or there may be something interfering with the wireless Threadconnection.

In most homes, installing a Google Nest thermostat is an easy DIY project that takes about 20-30 min. Read more about the condition New: A brand-new, unused, unopened and undamaged item in original retail packaging (where packaging is applicable). The Nest Thermostat E’s Heat Link will normally be installed in the same spot as your old thermostat. Features like automatic switching to Eco Temperature depend on your thermostat being able to get consistent temperature and activity readings from the same spot in your home. Important: Because the Nest Learning Thermostat works best on a stand when it stays in one place, you shouldn’t move it after you’ve chosen a good spot.

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For instance, sometimes a system fuse gets blown if thermostat wires make contact with each other during installation. If you have an existing wired thermostat installed on your wall, you should be able to install a Nest Learning Thermostat in the same place. If your Nest thermostat is installed on the wall and connected to your old thermostat’s wires, it will use both the wires and wireless Thread to communicate with the Heat Link. Using your mobile phone, tablet or laptop you can control your hot water and heating remotely and using the handy Google Nest APP you can track your energy consumption over the month and receive suggestions as to how you can save energy.For instance, your Heat Link in the hallway may sense a slightly lower temperature than your thermostat in your living room. Check your heating lever valve:If you have a manual valve to turn on heating, make sure that the valve lever is in the on position, otherwise hot water won’t flow through the heating pipes.