Question about Heating & Cooling
Sounds like the fan motor maybe bad. take the fan door off and see if you can spin the fan. if not the motor will need to be replaced. if it does turn you will need a volt meter to test the input voltage.jumper the fan door switch and lite off the furnace.with the volt meter on the high speed wire you should see voltage in about 60/90 sec. if you have voltage once again the fan motor is bad. if no voltage your furnace is cycling off on your t-stat or your board is bad.
Posted on Mar 23, 2011
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Posted on Jan 02, 2017
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