nest com e73 error

Installing NEST Learning Thermo with existing 5 wire system and getting e73 code - no power to arc terminal. Check the air filter.

Does Nest Work With The Home Kit

Before checking the wiring first make sure the HVAC breaker hasnt tripped.

. The safety switch that was being triggered is designed to be a kill switch to the air. GameStop Moderna Pfizer Johnson Johnson AstraZeneca Walgreens Best Buy Novavax SpaceX Tesla. The No power to Rc wire message is commonly due to incorrect or loose wiring. Unit is about 1 year old.

If you didnt see a code your thermostat will show you a link to. Upon checking the Nest unit downstairs everything was back to working as expected. Remove the thermostat display from the base to expose the wires that are attached to it. If you didnt shut the power off at the furnace when installing the Nest thermostat you may have blown the 3amp fuse at the control board inside the furnace by.

E255 E257 E258 E264 E269 E294. Turn the thermostat to heat only and disconnect the Rc wire while leaving the other wires connected. Answer 1 of 2. It actually works for most.

Business Economics and Finance. No power to RC wire heat stays on for a few and then stops eventually Nest starts working again. Police--Fiction After about 5 minutes of heat my Nest app gets the power out error E73. GameStop Moderna Pfizer Johnson Johnson AstraZeneca Walgreens Best Buy Novavax SpaceX Tesla.

Business Economics and Finance. Check your thermostats wiring. The following steps are advanced troubleshooting steps. If you are getting an E73 74 error message on your Nest thermostat which is code for RC RH wire not detected.

1 Disconnect the cooling wires on my system Yellow but make sure the Fan Wire Green Heat Wire White and 24vac wire Red remain connected. I pried the Safe-T-Switch up and no moisture in pipe. Other reasons for the message. These steps cover the following help codes.

Check wire configuration in the Home app. Your heating and cooling system uses high voltage which can. Nest is several years old-not sure generation but not 1st. 2 This will cause the.