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.

Furnace blower not working air conditioning.

Most thermostats control both central air and central heat. Turn any breaker that is in the. Any yellow red or orange indicates dust and dirt buildup on the burner. If none of these troubleshooting steps work call a professional technician as the.

Set it to turn on the ac or heat. Turn the power button next to the ac heating unit to the on position. As we begin to troubleshoot it is important to check for a couple of things. Inspect the heat exchanger for cracks which can cause a safety hazard.

If the fan motor runs but no air comes out check the blower to ensure the belt is not misaligned or broken. Check your thermostat if your furnace is not blowing air it seems like this would be a no brainer but i can t tell. Blower won t work on central air thermostat. Our email address is.

If you have cool air but a steady airflow your blower motor is working but your heat exchanger or burner is not. That will ensure that the proper mechanical. My furnace ac won t turn on step 1. 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.

Check furnace circuit breakers if your furnace isn t blowing air i can t emphasize this enough. You might need a new fan center relay if your furnace is equipped fan sequencer or furnace control board. I would continue diagnosis by watching the behavior of. A control board relay where the relay contacts are welded shut can cause the blower to run continuously too.

A shorted thermostat wire can cause this too but it is very uncommon. A sequencer looks like the picture below. The home s main electrical panel has a series of circuit breakers for each electrical loop in the house. I would start by confirming that the blower fan will operate.

Check the furnace flame for a complete blue color.