Furnace Blower Not Working Air Conditioning

Check the furnace flame for a complete blue color.

Furnace blower not working air conditioning.

Turn any breaker that is in the. My furnace ac won t turn on step 1. You would probably need a new control board if the relay on the control board is welded closed. Check the circuit breaker for your ac or heater unit and inspect the fuses.

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. 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. As we begin to troubleshoot it is important to check for a couple of things. But here are some suggestions to start troubleshooting the problem of a furnace blower fan that does not start. Your system probably has a manual fan on switch on.

Set it to turn on the ac or heat. A shorted thermostat wire can cause this too but it is very uncommon. A sequencer looks like the picture below. Check your thermostat if your furnace is not blowing air it seems like this would be a no brainer but i can t tell.

Our email address is. A control board relay where the relay contacts are welded shut can cause the blower to run continuously too. You might need a new fan center relay if your furnace is equipped fan sequencer or furnace control board. That will ensure that the proper mechanical.

Most thermostats control both central air and central heat. If none of these troubleshooting steps work call a professional technician as the. Turn the power button next to the ac heating unit to the on position. 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.