Furnace Blower Not Working Air Conditioning

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Furnace blower not working air conditioning.

Turn the power button next to the ac heating unit to the on position. But here are some suggestions to start troubleshooting the problem of a furnace blower fan that does not start. A shorted thermostat wire can cause this too but it is very uncommon. If you have cool air but a steady airflow your blower motor is working but your heat exchanger or burner is not.

Check your thermostat if your furnace is not blowing air it seems like this would be a no brainer but i can t tell. A control board relay where the relay contacts are welded shut can cause the blower to run continuously too. 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.

That will ensure that the proper mechanical. Inspect the heat exchanger for cracks which can cause a safety hazard. 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 continue diagnosis by watching the behavior of.

My furnace ac won t turn on step 1. Check the circuit breaker for your ac or heater unit and inspect the fuses. Most thermostats control both central air and central heat. Set it to turn on the ac or heat.

Check the furnace flame for a complete blue color. Blower won t work on central air thermostat. Any yellow red or orange indicates dust and dirt buildup on the burner. I would start by confirming that the blower fan will operate.

Your system probably has a manual fan on switch on. A sequencer looks like the picture below. Check furnace circuit breakers if your furnace isn t blowing air i can t emphasize this enough. If none of these troubleshooting steps work call a professional technician as the.

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