The 4 most common part(s) or condition(s) which contribute to the symptom Furnace blower does not run are listed below. Check or test each item and watch any available videos. If you are still unable to solve the problem you may need to do additional research and troubleshooting. Remember, with our 365 Days. Period.® return policy you can return any part for any reason. So, go ahead and buy it to try it. No other parts retailer offers this unconditional return policy.
For the symptom you selected, these are the most common parts or causes, ordered by the likelihood of fixing the symptom.
If the fan does not run the blower motor may be burned out or worn out. The blower fan should spin freely, if the fan doesn't spin freely the blower motor should be replaced. If power is getting to the blower motor but the motor does not run, it may be burned out. The blower motor is not repairable, it will have to be replaced if it is defective.
If the furnace blower does not run the capacitor for the blower motor might have failed. The capacitor can be checked with a capacitor tester or multi meter.
If the furnace blower does not run the control board might be going bad. The control board has relays on it that control the components of the furnace. If the relay that controls the blower motor fails open the motor will not run.
If the furnace blower does not run, check to make certain there is electricity to the furnace. If there is no power to the furnace check the circuit breaker or fuse for furnace. If there is power to the furnace, check the more common items in this troubleshooting guide.