Nest e73 no power. Cleaned the drain and reset During the hot summer months, if your HVAC system breaks down it may stop sending power to your Google Nest thermostat. After reading various posts, this error may be due to the AC outdoor unit/compressor . For the first time today I am receiving this E73 error code which says that there is no power to RC wire detected. It’s partially correct to assume, Have you found and solutions? 1 Kudo Reply BrennSon Community Member In response to TerryL Options 12-03-202202:19 AM I had this same issue. If you live in a humid climate, make sure the drain for the evaporator pan is not clogged. If you receive an E73 error message on your Nest, it means there’s no power to the Rc wire. Find step-by-step troubleshooting methods that work! How to fix the nest thermostat - error e73 - power off Alex Yanes 79 subscribers Subscribed Got the famous E73 fault no power to Rc wire. Mine was and triggered the float switch. So, you will find answers to all your questions about why your Nest thermostat could not detect power So, you will find answers to all your questions about why your Nest thermostat could not detect power to the RC wire and how to get your Nest thermostat back up and running. Also anytime there was a power outage, when The Nest error e73 is a common problem caused by no power supply to the Rc wire. This occurs mainly due to extremely hot temperatures, burnt fuse, low Furnace turns in and blows air but then cuts off? Here is an easy fix that can save you $350. If this happens your thermostat What is the Rc Wire? You may have noticed a lot of power issues associated with your Nest after receiving this E73 message. The “No power to Rc wire” message is commonly due to incorrect or loose wiring. In short, if your Nest Thermostat says there is no power to the RC wire, this could be due to: incorrect wiring, a faulty air filter, obstructed drain tubes/drip pans, and an inoperative HVAC fuse. Do Nest Thermostats work with RC wire? The Nest thermostat works with RC wire, but it does require power for it to operate correctly. If you are experiencing a When it's engaged, the A/C shuts off and more importantly, your Nest unit will report that it's not receiving any power, which it's not. That's not where I left things, using what we had available, the Here are effective solutions to fix the 'No Power to RC Wire Detected' E73 error on your Nest thermostat.
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