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Humidifier Fan Doesn't Work

The 2 most common part(s) or condition(s) which contribute to the symptom Humidifier fan doesn't work 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.


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For the symptom you selected, these are the most common parts or causes, ordered by the likelihood of fixing the symptom.

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Blower Motor

If the blower fan does not work the blower motor may be burned out. Try spinning the blower fan blade by hand, if it's stiff the blower motor is bad and will have to be replaced. If the motor spins freely, check it for electrical continuity. If the blower motor has continuity and spins freely, check to be certain it is getting voltage from the humidistat or motor speed switch.

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Humidistat

If the blower fan does not work the humidistat might not be working properly. Try turning the humidistat to its highest setting and see if the blower fan starts working. If not, listen for a click inside the humidistat to know whether the contacts are closing. If the humidistat is providing power but the blower fan still does not work, the problem might be the motor itself.

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