Blower Fan Not Working On Furnace

Furnace blower motor going out 1080 hd youtube.

Fan noise no ads. After ruling out all of the simple problems above the most likely cause of a furnace not blowing air is a problem with the blower fan itself which if you remember is the fan that circulates your houses air over the heated coils. I would suggest that you check your limit and rollouts to make sure they are all closed with a voltmeter. Turn off the furnace at.

The first thing to do is check the relay or voltage from the board. Is your furnace blower motor not working and there is no air coming out of your vents. If you see or hear the fan turn on your blower motor is not the culprit.

Purpose of the fan center relay. If power is getting to the blower motor but the motor does not run the motor may be burned out. If the fan does not start you have a wiring issue circuit breaker trips or motor problem circuit breaker does not trip.

Start by turning the furnace off turn your thermostat to fan only and wait a few minutes. After ruling out all of the simple problems above the most likely cause of a furnace not blowing air is a problem with the blower fan itself which if you remember is the fan that circulates your houses air over the heated coils. Check your furnace blower fan.

First make sure that power is getting to the motor. Perhaps your blower motor has burnt out and you need a new one. In this hvac troubleshooting video i go over the top 10 reasons why the blower fan motor is not starting in a furnace air handler or packaged unit for air.

The purpose of the fan center relay is to provide a low voltage control 24 volts to control a relay that can be used to control two speed blower motors and auxiliary circuits in heating or cooling equipmentmany of the newer furnaces do not have fan center relays but many of the older furnaces and some new furnaces still do. If no voltage is recorded you will have to replace the board or the relay. Check your furnace blower fan.

Now put your furnaces blower fan to the test. The furnaces control board thinks that the furnace is overheating so it runs the blower. One of the most common problems with furnace fans is a bad blower relay.

The blower motor blows air through the return vent past the heat exchanger and into the homes venting. You can check to make sure it is not the thermostat by taking the green wire off the thermostat connection or taking it loose from the furnaces. A switch inside the door compartment engages when the door is closed properly.

If there is a battery check if it is working properly.