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SimpleUser125
Community Member
since ‎02-07-2023
‎02-15-2023

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  • 2 Posts
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E79 error when furnace is switched on

02-07-2023
 Hi,Can someone please help me figure out this issue. When I turned off the furnace main power switch, the c wire is showing power connection, but not the rh (both wires are detected). Once the main switch is turned on, the c wire is detected and sho...