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Originally Posted by DocMike
It was working then stopped, started working again. Today it doesnt work again, and it is vry hot outside! What is going on? Does anyone have any idea on what could be wrong?
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i had a problem with my HVAC system dying sporadically. the whole thing would be dead, no response from the buttons, no display.
i pulled out the control panel unit (really easy, just pops out) and cleaned the contacts. put it back and haven't had the problem since.