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JB82
Community Member
since ‎03-29-2024
a month ago

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  • 3 Posts
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House heated to above 100 degrees due to E78 error

03-29-2024
Hello -I've been running the AC with the nest thermostat for over 2 months now. No issues. I usually keep the house around 72 with the AC on.Yesterday I got an error. 'E78 Additional wires required.'My friend went to check on it today and it turns ou...