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dolfnphile

Community Member

since ‎06-30-2023

‎07-07-2023

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Re: Your Thermostat cannot control this equipment properly without wiring changes

by dolfnphile 06-30-2023 in Nest Thermostats

06-30-2023

I just had my Nest reinstalled after a home renovation and was receiving the E78 error. Turns out the HVAC guys mounted it using screws with rounded heads. The rounded heads prevented the Nest from fully connecting together. They also prevented one o...

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