Quote:
Originally Posted by MrLonzo
I've tried most of the suggestions but so far nothing has worked. I scheduled a service appointment for this week. Will update...
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If your fan does not stop after popping the thermostat off, then the problem will be the fan in your furnace enclosure ("Air Handler" or "A/H"). There is an electronic control module (ECM) on the end of the fan that manages on/off and speed which has been known to fail. I replaced mine by myself a couple of years ago for about $250. Furnace models are fairly common here, so your tech may have a compatible module. If not, they may recommend replacing the entire motor. With labor, you should expect to pay quite a bit more for this. I hope your problem is simpler than this... good luck.