How to Get Rid of the Humming Sound in a Ceiling Fan
When a ceiling fan makes a humming noise, a whole host of possible problems could be the cause. The way to get rid of the sound also presents a multitude of possibilities. These range from throwing away the fan to some fairly simple fixes. Getting rid of the noise can be frustrating because it is often a matter of trial and error. Does this Spark an idea?
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Instructions
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Troubleshoot the motor. When a fan has a humming (or buzzing) sound, the motor is most likely the reason. A motor that lacks oil will burn out. Make sure the fan has the proper amount of oil. Many fans are maintenance-free, but some do require that you add oil. Add oil to the small hole above the motor. Run the fan for a day, if it has not been in operation for a long time. A humming fan can indicate the motor's bearings must be lubricated by the operation of the fan.
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Tighten loose screws. A loose part can cause a noise. If a fan has a light fixture, tighten any screws there as well. Make sure the light bulbs are not touching their covers on a fan with a light fixture. Adjust covers so they are no longer in contact with the bulb. Tighten the screws of the plate where the fan is attached to the ceiling.
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Look for an electrical problem. A dimmer switch can cause a fan to hum, and most ceiling fans are not made to work with a dimmer switch. Install the proper electric switch to stop the humming noise.
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Check the fan's balance. An unbalanced fan can cause a humming noise. Balance it with a fan-balancing kit.
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Run the fan at different speeds. One speed may produce more of a humming noise than others. Ceiling fans also often hum at lower speeds. Run the fan at a higher speed, a medium speed and lower speed. This may stop the humming.
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Look for broken or bent blades. A damaged blade can create noise and must be replaced.
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Tips & Warnings
Some fans just are not designed properly. A poorly designed fan has a motor that is not powerful enough to handle the size of the rest of the fan. Try to get your money back, and replace the fan with one that has a better design.
If you are correcting an electrical problem, remember that you can set up the fan up to operate by its pull chains instead of a wall switch.
