Ceiling fan spreads the air in all over the room and helps to improve the indoor environment more amiable, but there are few situations where it makes some noises. A hum in fan is generally due to the quivering of a motor, and the amount of noise is based on housing, blades, and mounting. Many recent fans are included with some parts that can quiet the Hum, but at times these parts may not succeed. In this guide, we will see why does ceiling fan hum and how to fix it.
Why does my Ceiling Fan Hum?
A noisy ceiling fan is one of the bad household annoyances. So when it is really bad we just stop using the fan. But instead of sweating it out completely, take few minutes and spend some time to poke around the fan and look for source of racket. In this article we will discuss about what causes a ceiling fan to hum and how to fix hum in ceiling fan.
What causes a ceiling fan to hum?
Ceiling should give you comfort and relaxation, not pester you with buzzing, humming, or rattling. If the ceiling fan humming noise has become a headache for you, then don’t bear it any more. There will be small and simple fix, or else it’s time to replace. Below are some of the common reasons for why a ceiling fan may hum.
- Used up lubricant: new machine lube may be all you require to stop persistent hum. Just take care of motor that gets damaged with some elemental oil like WD-40. It is safe to use subtle engine oil or sewing motor oil.
- Uneven blades: look for the blades that may be installed little off kilter or may be one of the blades has become loose. If there is more amount of dirt on the fan then it may also be the reason for the fan to run unequally. Something that makes the fan blades to work irregularly can be the reason for hum or steady vibration.
- Fixtures and light bulbs: perhaps the Hum may be started after you have fixed or changes a light bulb. Noisy action possibly due to the fixture is being banged loose.
- Mounting system: the mounting cog and pole may be jangling or shaking when the fan is working.
- Speed settings: does your fan is controlled by dimmer switch? If so then every ceiling fan does not work properly with dimmers. Does your fan have unusual or complex system with different speed settings? So on occasions fan may buzz because of the speed control mechanisms.
- Mystery problems: sometimes humming may be due to some bad parts inside the fan. This may be either you bought with some bad part or it has failed over the period of time.
How to fix hum in ceiling fan?
Ceiling fan making hum can be due to different reasons. Different noises can be like some clue to what the problem is. Your ceiling fan may create grinding noise, rattling sound, rubbing noise, buzzing noise, clicking noise, squeaking noise or humming noise. For example a grinding noise may be due to faulty motor. A rattling sound may mean there are some loose parts. A buzzing noise can be from some electrical issue. Rubbing noises mean that 2 moving parts of fan are touching. A clicking sound may mean some components of fan are loose. A humming noise may mean that items of the fan required being re-secured. Squeaking noises mean that fan needs oil. Make sure to turn off the fan before doing any type of repairs or maintenance. Below are some of the solutions for how to fix hum in ceiling fan.
Reason 1: the blades of the fan are bent upwards or downwards which makes the fan out of balance and therefore it creates rubbing noise.
Solution 1: to fix this hum, check out that all the blades of fan are angled in same position, use a level and keep it on the top of the fan blade, and bend the fan blades such that they are angled at the same level.
Reason 2: the motor of a fan has lost its lubricating oil and makes grinding or squeaking noise.
Solution 2: drip few drops of lubricating oil on to the main shaft that is present above the motor to make the oil drop into bearings, to do this in proper way you may have to remove some of the parts or remove the complete fan from ceiling.
Reason 3: some components of fan are loose so that it makes humming, clicking or rubbing sound.
Solution 3: make sure to check all the components of the fan are tight, as the loose screw on any part fan can create different types of noises.
Reason 4: fan makes high level of humming noise when it is on high speed.
Solution 4: check that top part of fan has not become loose and fallen on main housing which creates humming noise.
Reason 5: the fan uniformly makes a ticking or clicking sound per revolution.
Solution 5: at the top of the fan, the junction box in the ceiling may not be fixed securely, check for sure that whole fan is not loose from unsecure screw and the box is secure to ceiling.
Reason 6: Fan’s top part may create hum sound.
Solution 6: check that the motor to be sure is lubricated with oil and there are no loose parts. Keep secure all the screws on the motor. If the motor is making buzzing sound then remove it and test it. If you have checked everything and still there is some buzzing then motor itself is not worth fixing. The solution is purchasing new ceiling fan.
Reason 7: Near the light kit the ceiling seems to be vibrating or rattling.
Solution 7: check the light kit and be sure that light socket under the light cover is not bent and making the bulb vibrates. Make sure that the light bulbs are secure. Be sure that the light is secured to the base of light kit.
How to quiet a ceiling fan hum?
Many modern fans have some parts that mute the Hum, but sometimes these parts may fail. So that some replacement parts to be installed in fans and adjust the other parts to hush the Hum.
Below are some steps for how to quiet a ceiling fan hum.
- Include rubber spacers to few places of the fan that is in-between the rising bracket and the ceiling and in-between the blades and blade brackets. Few ceiling fans include paper or rubber spacers, but they quickly tear out and mislay their muffin outcome.
- Place rubber washers in-between the rising bracket and motor protuberance. Make tighter the nuts and bolts on fan blades and luminosity shades.
- Change rubber flywheel in few very expensive fans that connects the blade bracket to the motor. In older models, it is hard to change the rubber flywheel.
- Generally fan creates humming sound at low velocity and the noise is not heard after a sufficient long run of a fan so that every part or bearing of a fan is to be greased.
- Check with the electric switch to which the ceiling fan is connected because at times that switch creates the hum resonance when the fan is in working state. Change it with right electric power switch.
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