Thread: Hottest day of the year so far ...
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Old 06-07-2007, 11:41 PM   #2
shorod
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Re: Hottest day of the year so far ...
I've posted the steps to enter the diagnostic mode of the HVAC controller. I'd suggest you start there. Search the forum for "HVAC diagnostic" keywords and you should find the steps.

The diagnostics may point you in the right direction.

-Rod
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