So the gas will build up instead of the gas igniting immediately.
Carrier furnace inducer fan noise.
The blower wheel is attached to the blower motor shaft with a set screw.
It s above freezing here all the time no chance of ice in the flue.
I am trying to replace my condenser fan motor unit is a carrier 25hbr342a300.
This could be a tapping noise or a humming or whirring sound.
One common cause of a loud bang or boom is a dirty burner in your furnace.
If the unit will turn on but the blower motor is not turning on there are a couple of ways to check if the draft inducer motor has gone bad.
Carrier 58mvp inducer fan noise.
If the set screw is loose the blower wheel will wobble on.
The original condenser fan motor is a carrier 5kcp39efy465s.
Check the set screw to ensure that it is properly tightened.
The motor shaft and the wheel will be noisy as it turns.
If you hear a sound like a loud bang or boom coming from your furnace you would certainly be wise to be concerned.
There is also a pvc screen inserted in the end of the combustion air flue so it is highly unlikely anything is in there.
Having dirty burners in your furnace can cause a delay in ignition.