Nest Thermostat Blown Fuse
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Our thermostat controller is etl listed, and rigorously tested for quality control and safety. Conforms to ul std no. Rated voltage is 120vac 60hz, max loading: Do not immerse controller or probe into water.
I found no power at the thermostat, and partial power to the package unit. #hvac #hvactech #hvactechnician #hvactec. You may also have blown a fuse if the nest thermostat has no power. The nest thermostat says its heating but its not if your nest thermostat indicates that it's heating, but it's still cold in your dwelling, ensure that your thermostat is compatible with the type of heating system you have. Nest thermostats are compatible with many systems. If your nest thermostat can't draw power and displays an e74 error message, you'll need to investigate. You have to determine the source of the system power issue before seeking a solution. If your thermostat can't detect power, there may be an outage, or you may have to check the fuse box for a blown fuse in the air handler. Blown fuse inside the air handler if all else fails and your nest thermostat is still not working, you might have a blown fuse inside the unit itself.