Weba “no power” alert can be caused by the following: The thermostat wiring is incorrect. Your thermostat is connected to a system that requires a c or common wire, but that wire isn’t. Webaug 8, 2021 · you can check that easily enough via the “tech info” section under “power”. Battery was within normal voltages, up to the attic we go! Websep 19, 2024 · how to fix a nest thermostat's rc power issue. Your nest thermostat receives the power it needs to charge its internal battery from the rc wire. To determine the status of this wire and whether it has power, press on the dial, rotate it until you. Webdec 1, 2021 · the “no power to rc wire” message is commonly due to incorrect or loose wiring. Before checking the wiring, first, make sure the hvac breaker hasn’t tripped. Webmay 21, 2022 · nest thermostat has an error message reading no power to rc wire detected. Immediately check air handler to find out where loss of voltage is. Webmar 30, 2022 · the e73 error on your nest thermostat indicates that there is no power detected to the rc wire. To fix this error, check your wiring, air filter, drain tubes/drip.
