Any yellow red or orange indicates dust and dirt buildup on the burner.
Trane furnace blower motor not working.
I had the motor shutdown within a minute yet it still smelled pretty bad.
If power is getting to the blower motor but the motor does not run the motor may be burned out.
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 primary trane furnace problem that homeowners run into is having their furnace fail to turn on when they adjust the temperature.
Fortunately this is a fairly easy problem to detect.
It s the type of smell that sticks with the motor too.
First make sure that power is getting to the motor.
If the fan motor runs but no air comes out check the blower to ensure the belt is not misaligned or broken.
When my blower moter went there was a definite burning smell.
Inspect the heat exchanger for cracks which can cause a safety hazard.
If you have cool air but a steady airflow your blower motor is working but your heat exchanger or burner is not.
Check the furnace flame for a complete blue color.
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.
The blower motor blows air through the return vent past the heat exchanger and into the home s venting.