Question about Coleman Propane Forced Air Heater w/Electronic Ignition (50,000-80,000 BTU)
Fan control could be on summer switch. or af control not working keeping fun running
Posted on Dec 08, 2017
SOURCE: Coleman Furnace
Based on the info you have given here, I am going to make some assumptions. In "cleaning out all the components" you cleaned the air filter or changed it, cleaned the duct-work, and the intake combustion chamber? When the "furnace stays lite" the pilot and the main burner stays on? Lastly, when it "continues to blow cold air" is this when the main burner is on after long periods of time? If the answers are all yes, then maybe some of the ducts have come off, or the burners aren't working correctly.
Posted on Nov 10, 2007
SOURCE: furnace problems
Yes, this a symptom when the heat exchanger has a crack in it. Get someone there today! If there is a crack, you could be exposing yourself to Carbon Monoxide! GET IT CHECKED NOW.
Posted on Nov 17, 2007
Rmove the two screws holding the blower in place and slide it out. With the power off, rotate the wheel and inspect for debris or an impingement. If everything turns easy, you have a bad motor or start capacitor. If you have rubbing, adjust the wheel. If the motor will not turn, replace it.
Posted on May 30, 2008
first off buy yourself a honeywell stat, in my personal opinion lux stats are garbage, I have run into so many that are bad stats !!! but as far as your fan not shuting down, sounds to me like your fan center on your circuit board is bad and will not shut down the fan when needed, you will have to replace the circuit board, as the fan center is a part of the whole of the circuit board, hope that helps
Posted on Jan 20, 2009
Clean the flame sensor with a green scotch brite pad. Check all ground connections from the circuit board to the furnace cabinet. Check for a proper ground to the electrical box. Make sure polarity has not been reversed.
Posted on Dec 26, 2009
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