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An oil furnace with an electric air filter. The furnace works fine, but the motor constantly runs. Problem?
QUESTION:An oil furnace with an electric air filter. The furnace works fine, but the motor constantly runs. Problem?
I am not sure if it is the motor that circulates the air, but it is on 24/7. There is a plug for the air filter which when I unplug it, the fan still runs. The only way to shut off the fan is by a switch that is located on the outside, but that turns off the furnace as well. Isn't there supposed to be some sort of timer that turns the circulation on and off at regular intervals and also is on when the furnace is heating?
ANSWER: On most oil furnaces there is a fan control called a fan and limit switch which controls the fan and the oil burner if the fan does not work...should be on the top front of your furnace above the burner...some of these have a auto and on switch for the fan...this could be set to fan on...if not or if you have ac installed in unit then could be on thermostat fan auto or on switch....if not turn power off and mark wires from fan/limit and replace ...if you need help call a hvac expert
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