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MommaL
Community Member
since ‎11-01-2022
‎08-19-2025

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  • 1 Posts
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E79 Error Message

11-01-2022
Nest thermostat was in the house when I purchased it 2.5yrs ago. I started getting E 79 messages maybe about 6mths ago. C wire has power. Reading all of these posts, I don’t see a solution to this besides Google saying contact an HVAC specialist (wha...