If the nest thermostat isnt getting enough power from w or y and there is no common wire. Therefore it is probably not an issue to troubleshoot.
Google Nest Support On Twitter If Your Nest Thermostat Has
Nest thermostat e not charging. If you witness green blinking light there are different reasons. If the voltage is above 36 youre good. I believe the threshold is 38v where it will drop wifi. The nest thermostat keeps its internal battery charged using your heating and cooling system wires but if theres a problem the battery may drain. Fix nest thermostat battery issue. Press the nest ring again to turn back on the device and release.
While we find that in the vast majority of homes the nest thermostat can charge its built in battery by power sharing from the regular heating and cooling wires. On the thermostat go to settings technical info power. You should now see the nest animation as it starts back up. Then it began to struggle with recharging had network dropouts disconnects and began to insert delay times apparently randomly and. It will deplete if the system is off for too long. The battery voltage should be the first number you see.
On some older acfurnace setups theres not enough voltage coming through the constant power wire to charge the battery on the nest. Sometimes the software might be updating or the device is restarting. Disconnect the nest from the usb cable and hold down the nest ring for about 10 seconds or until the display goes black. Also there are chances that your nest thermostat battery wont charge so you have to look into this issue. The nest appears only to charge when the ac system is running robbing a small amount to charge itself. Check on the nest itself under settingstechnical infopower.
Never try to restart the nest while its connected to a computer or power source while charging. Lets help you solve the issue with the battery because it is the most common issue that more substantial number of users face. If the voltage is low there may be a. You can go to the technical info page on the thermostat to see what kind of voltage its receiving and the battery voltage level as well. To preserve battery life the thermostat display. Nest thermostat battery charging problem and solution.
Connecting a nest thermostat to an incompatible system such as a millivolt proprietary or high voltage system wont deliver the power needed to charge your thermostats battery and can damage. My nest generation 1 had been working flawlessly for several months both summer and winter heating and cooling until about january 23rd 2013 or so.
Gallery of Nest Thermostat E Not Charging
