Carrier Furnace Inducer Motor Fault

Bad capacitor causing motor not to start up.

Carrier furnace inducer motor fault.

Reconnect pl3 to the variable speed furnace control and connect a dc voltmeter across terminals pl3 4 blue and pl3 2 green. The draft inducer blower is a relatively new component found on modern furnace units. From the carrier 58mvp service manual. Added to ensure heating systems are able to comply with the most recent government mandated efficiency standards it is designed to facilitate the removal of gases and air from the furnace and out to the chimney.

Blower motor fault indicates the blower failed to reach 250 rpm or the blower failed to communicate within the prescribed time limits. Leak in tubing defective pressure switch restricted vent bad inducer motor rule out motor it works if the tube off the induced draft blower housing are plugged it will cause this trip. Thirty seconds after being turned on or ten. Part number part description part link 20054001 carrier 20054001 draft inducer motor assembly view carrier part 20054001 2272065 carrier 2272065 draft inducer motor assembly view carrier part 2272065 2272158 carrier 2272158 draft inducer motor assembly view carrier part 2272158 308088 751 carrier 308088 751 draft inducer housing view carrier part 308088 751 308118 405 carrier.

Take out the old air filter and replace it with a new one. Locate the current filter. Fault code 11 means the inducer motor is functioning properly. These tubes are the small one coming off the firebox and motor housing going to a drain.

Status code 42 inducer motor fault step action go to does the voltage fluctuate as described in step 28. This is always helpful to pinpoint the problem to the inducer motor in the first place. Draft inducer motor failure. Usually found where the cold air enters the unit either in the cold air return duct or the entrance to the blower chamber.

Your furnace may also give you fault codes related to draft inducer blowers.