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More HVAC help needed


Bad324

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Turned the heat on for the first time Friday but set it real low at 65*. Woke up yesterday morning and the thermostat seems crapped out. Went in the basement and the blower I'm guessing was still running and blowing out air through the registers.

Since it was last set so low I don't know if it's really heating or not. Could it just be that the digital thermometer took a crap on me or do I have a bigger problem

The control board computer on the unit was just replaced in the Spring

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Check the control board for a trouble light. ..if it's flashing then you can look up the code. My furnace did the same thing last winter. There was corrosion built up on the thermocouple that tells the board that the burner is on. Cheap to replace but all you really have to do is polish it up with emery paper.

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Finally have time to get back to this issue. Am I dumb to assume that the thermostat actually is powered by hardwire? When I had it worked on in the spring the tech made it seem like this was the case

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I broke out my multimeter and it seems the thermostat is not getting any voltage so it's likely something on the control board that was just replaced in June so I'm getting those assholes out again to fix it

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