Furnace not igniting, blowing cold air or running all the time? This video provides information on how a furnace works and offers troubleshooting tips to assist you in diagnosing and repair.
Here is a list of the most commonly replaced parts associated with each furnace symptom:
Furnace does not heat: igniter, flame sensor, draft inducer motor, control board Furnace is loud: blower wheel, blower motor, draft inducer motor Furnace runs for a few minutes: flame sensor, limit switch, control board Furnace blower does not run: blower motor, capacitor, control board Furnace blower runs all the time: control board, limit switch, wall thermostat
All of the information provided in this furnace troubleshooting video is applicable to the following brands: Amana, Bryant, Carrier, Coleman, Lennox, Payne, Rheem, Trane, York
York Furnace Disassembly:
How your furnace works:
For more DIY videos including part replacement and help finding your model visit the repair help section of our website:
Furnace repair help