Furnace Blower Not Working Air Conditioning

That will ensure that the proper mechanical.

Furnace blower not working air conditioning.

If none of these troubleshooting steps work call a professional technician as the. Check the circuit breaker for your ac or heater unit and inspect the fuses. Most thermostats control both central air and central heat. Check furnace circuit breakers if your furnace isn t blowing air i can t emphasize this enough.

You would probably need a new control board if the relay on the control board is welded closed. Inspect the heat exchanger for cracks which can cause a safety hazard. I would continue diagnosis by watching the behavior of. A shorted thermostat wire can cause this too but it is very uncommon.

Our email address is. The home s main electrical panel has a series of circuit breakers for each electrical loop in the house. As we begin to troubleshoot it is important to check for a couple of things. If you have cool air but a steady airflow your blower motor is working but your heat exchanger or burner is not.

A sequencer looks like the picture below. Blower won t work on central air thermostat. My furnace ac won t turn on step 1. If the fan motor runs but no air comes out check the blower to ensure the belt is not misaligned or broken.

Any yellow red or orange indicates dust and dirt buildup on the burner. Your system probably has a manual fan on switch on. Turn the power button next to the ac heating unit to the on position. A control board relay where the relay contacts are welded shut can cause the blower to run continuously too.

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. 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. Check the furnace flame for a complete blue color.

Turn any breaker that is in the.