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Arcoaire Furnace not heating

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Common solutions for: Arcoaire Furnace not heating
Solution 1:
Igniter
The igniter gets very hot and glows bright orange to light the gas burner. If the igniter fails or cracks, the furnace won’t heat. To determine if the igniter is faulty, remove the igniter and...
Required Part
Furnace Igniter
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Solution 2:
Flame Sensor
The flame sensor monitors the burner to detect whether or not a flame is present. If the flame sensor is defective, it might fail to detect a flame. If the flame sensor does not detect a flame, the...
Required Part
Furnace Flame Sensor
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Solution 3:
Draft Inducer Motor
The draft inducer motor draws air into the heat exchanger and then exhausts it out the flue. The pressure switch senses a pressure change and closes a switch to signal the control board that the...
Required Part
Furnace Draft Inducer Motor
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Solution 4:
Control Board
The control board regulates the power supply to all of the components of the furnace. If the control board fails, it might not send voltage to the ignition system, causing the furnace not to heat.
Required Part
Furnace Control Board
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Solution 5:
Flame Rollout Limit Switch
The flame rollout switch monitors the heat surrounding the burners. If the inducer fan motor cannot draw enough air through the burners, or if the furnace is not venting properly, the rollout switch...
Required Part
Furnace Flame Rollout Limit Switch
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Solution 6:
Wall Thermostat
The wall thermostat has electrical contacts that control the power supply to the furnace. If the contacts in the thermostat fail, the furnace will not turn on. To determine if the thermostat is...
Required Part
Furnace Wall Thermostat
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Solution 7:
Gas Valve Assembly
The gas valve opens to allow gas to flow into the burner. If the gas valve is defective, the valve will not open, preventing the furnace from heating. To determine if the gas valve is at fault, use a...
Required Part
Furnace Gas Valve Assembly
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Solution 8:
Pressure Switch
The pressure switch closes when the burner has sufficient airflow. If the pressure switch isn’t working, it might not close when the proper airflow is present, causing the ignition process to stall....
Required Part
Furnace Pressure Switch
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Solution 9:
Gas Supply Problem
Check the gas valve to ensure that it is turned on. If the furnace uses propane, check to see if the furnace has run out of gas.
Solution 10:
Air Flow Problem
The furnace must have proper airflow through the burner in order to continue running. The furnace draws air from the surrounding area or from outside the room. If the furnace is located in a utility closet or in a cramped storage room, there may not be sufficient available air for the furnace to heat properly. If the furnace draws air from outside the home, check for an obstructions at the air inlet.
Solution 11:
Incoming Power Problem
Check to see if there is power to the furnace. If there is no power to the furnace, check the furnace circuit breaker or fuse.