If power is getting to the blower motor but the motor does not run the motor may be burned out.
Carrier furnace inducer motor not running.
Applied 110 v to inducer motor worked.
Longer low stage run times give you better energy efficiency better temperature control and increased comfort.
Sometimes the bad inducer motor becomes very hot to the touch.
The first thing that is supposed to start when a furnace starts up is the draft inducer.
If i use a fiberglass filter it whines when the furnace is running at high speed but not at low speed.
I have a carrier 58mca furnace.
No power to the inducer motor from the circuit board checked limit switches all are open.
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 the blower motor hums check the blower fan to ensure that it spins freely.
A failing inducer motor may create a noise shortly after a heating cycle begins.
Ran ohm meter on limit switches all open meter.
Shows no power from circuit board for high speed post for inducer motor and not from low speed post.
Jumped lower pressure switch.
If the draft inducer does not start then you probably either have a thermostat thermostat wiring problem electrical problem control board problem or a bad draft inducer.
A bad furnace inducer motor can result in a loud buzzing or whining noise and loss of heat.
If the blower motor is burned out replace it.
First make sure that power is getting to the motor.
This could be a tapping noise or a humming or whirring sound.
Our forced air units can keep your home warm with models that automatically adjust as conditions change circulating warm air nearly continuously for high efficiency quiet operation and consistently comfortable temperatures.