Inspect the heat exchanger for cracks which can cause a safety hazard.
Trane furnace blower motor not working.
If the fan motor runs but no air comes out check the blower to ensure the belt is not misaligned or broken.
Furnace blower motor fan 1.
Check your furnace blower fan after ruling out all of the simple problems above the most likely cause of a furnace not blowing air is a problem with the blower fan itself which if you remember is the fan that circulates your house s air over the heated coils.
It s the type of smell that sticks with the motor too.
First make sure that power is getting to the motor.
Any yellow red or orange indicates dust and dirt buildup on the burner.
I had the motor shutdown within a minute yet it still smelled pretty bad.
The smell should be an easy check.
Normally a furnace with the power cut from it will not even try to start so i suspect your power is good.
If the blower motor is burned out replace it.
The blower motor blows air through the return vent past the heat exchanger and into the home s venting.
If your furnace won t turn on it is usually either a problem with the circuit breaker or with the thermostat.
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.
Fortunately this is a fairly easy problem to detect.
Check the furnace flame for a complete blue color.
If you have cool air but a steady airflow your blower motor is working but your heat exchanger or burner is not.
If none of these troubleshooting steps work call a professional technician as the.