Step 1 turn your thermostat to cool and on during the warmer months after a power outage. As a consequence they should never need to be.
Nest Thermostat No Power Connecting Common Wire On Furnace
Nest thermostat power out. Ideally during power outages the nest thermostat would merely function for one to two hours on battery backup. Your nest thermostat uses the voltage from your systems wires to keep its internal battery charged. The batteries in smart thermostats such as those of nest and hive exist only as backups and should never be required unless the power goes out. The battery voltage should be the first number you. You can adjust the temperature lower in order to jump start the air conditioning. Your nest thermostat is physically detecting a wire in the w 1 heating connector but isnt detecting any power to it.
If the power to your system is switched off or theres a blackout the battery has enough. If the nests battery level gets below 36v it will stop connecting to your wi fi. This will reset your thermostat in the warmer months during the winter months you will need to follow a few more steps. Grip the metal ring of your thermostat and pull it gently towards you away from the wall. If you are new to this device and havent been in a situation where a thermostat had completely gone out of charge then you must know that after power restoration it will typically take an hour to back to its proper working state. Turn off the power to your heating and cooling system at your breaker.
On the thermostat go to settings technical info power.
Gallery of Nest Thermostat Power Out
