Nest E73 error code no power to Rc wire DIY jumper hack

URL Slug: nest-e73-fix The Nest E73 error code is a diagnostic signal your Google Nest thermostat displays when it cannot detect 24-volt AC power on the Rc wire — the dedicated circuit responsible for powering your home’s cooling system. As a Master Industrial Technician holding an EPA Section 608 Universal Certification, I can tell you … Read more