One common cause of a loud bang or boom is a dirty burner in your furnace.
Carrier furnace inducer fan noise.
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.
If you hear a sound like a loud bang or boom coming from your furnace you would certainly be wise to be concerned.
A failing inducer motor may create a noise shortly after a heating cycle begins.
The blower wheel blows air out of the furnace and through the house.
The specs on it are 1 8 hp 810 rpm 208 230v a 0 90 cap 5 00 read more.
The original condenser fan motor is a carrier 5kcp39efy465s.
Carrier 58mvp inducer fan noise.
The blower wheel is attached to the blower motor shaft with a set screw.
If the set screw is loose the blower wheel will wobble on.
I am trying to replace my condenser fan motor unit is a carrier 25hbr342a300.
Having dirty burners in your furnace can cause a delay in ignition.
This could be a tapping noise or a humming or whirring sound.
The motor shaft and the wheel will be noisy as it turns.
So the gas will build up instead of the gas igniting immediately.