Quote:
Originally Posted by 16ACE27
He completely removed the thermostat and the fan still ran so unless he cross-connected the wiring itself, which I doubt since the fan didn't run after replacing the thermostat until he turned it on, and now it runs forever.
So my vote is for a stuck fan relay. OP go upstairs, remove the AC cover and find the relay.
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Actually, I can access everything including the circuit board / relay from below.
I just need the A/C serial number for warranty coverage and that is under the cover up top.
Probably only take 15 minutes to swap out the new board once I get it.