Furnace Blower Not Working Air Conditioning

Check your thermostat if your furnace is not blowing air it seems like this would be a no brainer but i can t tell.

Furnace blower not working air conditioning.

Set it to turn on the ac or heat. You would probably need a new control board if the relay on the control board is welded closed. Check the furnace flame for a complete blue color. If the fan motor runs but no air comes out check the blower to ensure the belt is not misaligned or broken.

I would start by confirming that the blower fan will operate. Our email address is. Blower won t work on central air thermostat. Your system probably has a manual fan on switch on.

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. A sequencer looks like the picture below.

Check furnace circuit breakers if your furnace isn t blowing air i can t emphasize this enough. Turn any breaker that is in the. You might need a new fan center relay if your furnace is equipped fan sequencer or furnace control board. Inspect the heat exchanger for cracks which can cause a safety hazard.

Any yellow red or orange indicates dust and dirt buildup on the burner. A shorted thermostat wire can cause this too but it is very uncommon. A control board relay where the relay contacts are welded shut can cause the blower to run continuously too. I would continue diagnosis by watching the behavior of.

The home s main electrical panel has a series of circuit breakers for each electrical loop in the house. That will ensure that the proper mechanical. My furnace ac won t turn on step 1. But here are some suggestions to start troubleshooting the problem of a furnace blower fan that does not start.

If you have cool air but a steady airflow your blower motor is working but your heat exchanger or burner is not.