Furnace Blower Not Working Air Conditioning

My furnace ac won t turn on step 1. You might need a new fan center relay if your furnace is equipped fan sequencer or furnace control board. Turn the power button next to the ac heating unit to the on position.

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If the fan motor runs but no air comes out check the blower to ensure the belt is not misaligned or broken.

Furnace blower not working air conditioning.

But here are some suggestions to start troubleshooting the problem of a furnace blower fan that does not start. Check the furnace flame for a complete blue color. The home s main electrical panel has a series of circuit breakers for each electrical loop in the house. If you have cool air but a steady airflow your blower motor is working but your heat exchanger or burner is not.

Our email address is. Blower won t work on central air thermostat. Check furnace circuit breakers if your furnace isn t blowing air i can t emphasize this enough. Any yellow red or orange indicates dust and dirt buildup on the burner.

That will ensure that the proper mechanical. If none of these troubleshooting steps work call a professional technician as the. Inspect the heat exchanger for cracks which can cause a safety hazard. A control board relay where the relay contacts are welded shut can cause the blower to run continuously too.

A sequencer looks like the picture below. A shorted thermostat wire can cause this too but it is very uncommon. Check the circuit breaker for your ac or heater unit and inspect the fuses. You would probably need a new control board if the relay on the control board is welded closed.

Turn any breaker that is in the. Most thermostats control both central air and central heat. I would continue diagnosis by watching the behavior of. Set it to turn on the ac or heat.

Check your thermostat if your furnace is not blowing air it seems like this would be a no brainer but i can t tell. 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. I would start by confirming that the blower fan will operate. As we begin to troubleshoot it is important to check for a couple of things.

Your system probably has a manual fan on switch on.

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