What would cause no power to the thermostat?
What would cause no power to the thermostat? Tripped circuit breaker or blown fuse. Sometimes a surge can cause this issue. If you check your electrical box and a circuit breaker is tripped, just flip it back. If you have fuses, replace the fuse. Once this is done, check your thermostat. What does no power to Rc wire mean? This usually happens because the wire isn't properly connected. It might also mean that the wire was incorrectly entered in the app. Check the system wires to make sure they are correctly entered and properly connected. Important: You must turn the...