Is your ceiling fan humming? (Top 5 Reasons and Fixes) | updated home page (2023)

Is your ceiling fan humming? (Top 5 Reasons and Fixes) | updated home page (1)

During the hot summer months, there's nothing like a flow of cool air from your ceiling fan. Although ceiling fans are known to be a great addition to air circulation, they can also cause quite a bit of stress. One constant problem with them is that they produce a barely audible hum that can drive you crazy.

Ceiling fans hum when the junction box and bottom rod screws are loose, and you can tighten them to fix this. Inspect the motor housing mount for damage and debris and clean it with pliers and a cloth. Lubricate your ceiling fan motor with WD-40 if it continues to hum.

However, there are several types of problems that can cause low-level hum. To eliminate the problem, you must identify and fix it. This is what we found are the top 5ceiling fantinnitus;

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Is your ceiling fan humming? (Top 5 Reasons and Fixes) | updated home page (2)

Are there different types of buzz?

Yes, sometimes everyday noise can drown out the buzz. However, once the house gets quiet at night, you can hear a slight hum. What you should ask yourself are the following questions;

  • Do you hear a rhythmic hum or pulsation?
  • Do you hear any?Grinding or clicking noises?
  • If so, how often are the sounds separated?

To determine the problem, you must identify the frequency and noise of the hum. The reason is that it can help you identify the problem. Once you understand what the problem with the ceiling fan is, you will be able to fix it. If the noise persists, you may need to try another option to fix the fan.

Is it normal for ceiling fans to hum?

Ceiling fans can produce a low hum when turned up to full. A hum is not common when the ceiling fan makes the noise on medium or slow settings. If this is your fan, then the sound is a big warning sign that something is wrong.

Fortunately, you don't have to scrap or replace the entire ceiling fan. There are many solutions that you can do at home with minimal effort. Most of these fixes do not contain more than a few tools and are fixes for beginners.

Top 5 Reasons Why Ceiling Fans Hum

Investigating the noise and identifying the problem should only take a few minutes. Once you have identified what is wrong, you can begin your ceiling fan repair.

(Video) How to Troubleshoot Your Ceiling Fan | The Home Depot

Before you begin, we strongly recommend that you turn off the power to the room. The reason is that you may have to disassemble the fan. Touching electrical currents can cause electric shock. To prevent this, completely turn off power at your electrical control panel.

After turning off the power, you need to take out some tools. Commonly used tools are a stepladder, multi-head screwdriver, and angled screwdriver. In some cases, you may also need machine oil.

1. How to fix loose screws

If some screws are loose, you may hear a rattling noise or a low hum. It is not uncommon for screws to loosen over time. Therefore, you will hear noises for a few months or years.

Step 1: Identify loose screws

To determine if the screws are the problem, you need to tighten them. All screws should be around the junction box or ceiling fan cover. Once you have identified the area, you can begin to repair it.

Step 2 – Tighten the Screws Around the Junction Box

Use your screwdriver and find the correct screw head size. From there you need to turn the screwdriver clockwise to tighten the screws. Walk around the junction box and make sure to tighten each screw.

Step 3 – Tighten the Screws Around the Bottom Bar

When tightening the screws, be careful not to forget the ones around the bottom bar. These are often hard to spot unless you're up close. If these screws are loose, they could make noise.

Step 4 – Tighten the Screws Around the Base of the Motor Housing

Other areas to check are near the lock slot or the base of the motor housing. These areas tend to cause the entire fan to vibrate. This creates a buzz.

2. How to repair loose wire connections

If thatThe ceiling fan is installed, an electrician will connect the wires to the wing nut terminal. The wing nut connector is located on the top bracket of the junction box. If the cables become loose or loose, a hum may occur.

Step 1: Open the junction box

To fix this problem, you need to open the junction box and check the wires. Use a screwdriver to remove the junction box opening.

Step 2 – Check for Loose Wires

From there, gently tug on the wires and see if any are loose. Sometimes the cables are noisy because they are not aligned correctly on the bottom bar.

Step 3: Organize the wiring

If this is the problem, you should gently pull the cables together until they are neatly organized. To make sure they don't make a rattling or buzzing noise, make sure they don't touch the edges of the junction box or downrod.

Step 4: Check the distance between the cables and the rod

Once you have realigned the cables, you can verify that they are seated correctly by running your finger along the outside of the bar. If there is no vibration, the cables have been successfully aligned. However, the vibration will mean that some of the cables may need to be moved again.

Step 5 - Secure the wiring with tape if necessary

If the hum persists, you may need to use electrical tape to tie the wires together. Also check the cables that are inside the motor housing as they can also generate noise.

(Video) How to Fix a Noisy Ceiling Fan | The Home Depot

3. To fit the motor housing support

The motor housing can produce a hum when debris falls on it. This usually happens over time and can cause a slight buzz.

Step 1: Remove the cover

To fix this problem, you will need to remove the mount cover from the motor housing. It can be a tedious process as the entire fan must be removed. However, this is the only way to accurately assess the problem.

Step 2 – Look for Debris

Once you have turned off the fan and removed the top cover, you can inspect the components. It is normal for pieces of plastic or debris to fall and get caught in the motor housing.

Step 3: Remove dirt

If you notice anything, you should clean the area with a pair of tweezers and a dry cloth. After cleaning the motor housing, you need to put the ceiling fan back together.

4. Engine lubrication

All machines eventually require you to apply some oil to keep the gears moving efficiently. Over time, the ball bearings and pins in the motor will get hot. This, in turn, causes the engine to collect dust as it cools.

Step 1: Gather Tools

To fix this problem you need some tools. Paper towels and WD-40. Spray a light coat of WD-40 on the paper towels.

Step 2: Clean Engine Components

Use the soaked cloth to clean the engine components. Alternatively, if the towel doesn't get into all the crevices, you can use a cotton swab. Just be careful not to damage any of the components.

Step 3: Apply WD-40

Do not apply WD-40 directly to the surface. The reason is that it can overload the device. In this case, the device could make more noise and not work properly.

Step 4: Test

To confirm if this worked or not, test the rotation of the motor. If there is no noise after applying and cleaning the WD-40, you have fixed the problem. Also, to ensure that this problem does not recur, clean the engine every three months.

5. How to repair warped fan blades

If you live in a humid climate, chances are your ceiling fans will warp.bathroom and ceiling fansWood warps with repeated exposure to moisture. When this happens, it's hard to tell, as the blades can warp as little as an inch or two.

Step 1: Measure

To repair a bent or broken blade, you need to use a tape measure. Measure the distance between each blade. If the gap does not match, you will need to rebalance the blades.

Step 2: Balance Sheets

Use pennies and duct tape. Any warped blade requires weight on the opposite side to balance the blade. Place a penny or two on top of the blade and secure with tape.

Step 3: Test

If the noise persists, there may be a more complex problem.

(Video) How to STOP Tinnitus (Ringing in the Ears) in 30 SECONDS with This Technique – Dr. Berg

Do you need a ceiling fan repair service?

Receive free, no-obligation quotes from professional contractors near you.


Is your ceiling fan humming? (Top 5 Reasons and Fixes) | updated home page (3)

Related questions

Can a ceiling fan make a hum?

Sometimes a hum or buzz can be heard, but it is not coming from the fan. If you've already checked the fan and tried to fix it, you should also check the light.

Some bulbs tend to emit a low hum. This can be mistaken for hum unless you are close to hear it.

The ceiling fan keeps making noise, why?

If you have already tried the solutions above and the problem persists, it could be due to how the fan is mounted. An angled ceiling fan can cause a slight hum. To fix this you may need to disassemble and reinstall the ceiling fan and make sure it is level.

What do I do if the blades are deformed?

If the fan blades are too warped, you will need to replace the unit. Unfortunately, after so many years of use, the blades need to be replaced. The hum persists if the fan is deformed too much.

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We are a team of passionate homeowners, home improvement professionals, and DIY enthusiasts who enjoy sharing home improvement, cleaning, decorating, and more with other homeowners. Whether you're looking for a step-by-step guide on how to repair a device or how much it costs to install a fence, we're here to help.

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Why is my ceiling fan making a humming noise? ›

If your ceiling fan's motor isn't sufficiently lubricated, friction can cause your ceiling fan to start making strange noises, including humming. To remedy the issue, your motor fan needs to be cleaned to remove dust and grime, and then re-oiled to ensure proper lubrication.

Why does my ceiling fan motor hum but not turn? ›

Electrolytic capacitor on those old ceiling fans do go bad. That'll cause the motor to run slow, just hum, or not run at all. With a bad capacitor, it'll often start if you give the blades a push. New capacitors are easy to find at your local big box or lighting stores, and also online.

Should I be worried if my ceiling fan is making noise? ›

A ceiling fan making a grinding noise may be caused by unbalanced blades that make the fan wobble. Ceiling fan blades can become unbalanced by dust collecting on the blades when the fan isn't in use. Clean the blades by wiping them down with a damp rag to remove any dust and debris causing them to be unbalanced.

Can a dimmer switch make a ceiling fan hum? ›

One of the most common reasons for this humming noise is when a dimmer control is used to control fan speed. These dimmer switches were never intended to be used with ceiling fans and as such can cause the fans to make these noises. dimmer controls should ideally be replaced with standard speed controls.

Can a capacitor cause ceiling fan hum? ›

Faulty capacitors

The final thing that can cause humming or buzzing noises in the ceiling fan is the capacitor. A capacitor is part of the electrical circuit that stores electrical charge. In a ceiling fan, it's used to regulate speed, change direction, or for another use.

Can ceiling fans fall? ›

A ceiling fan has the potential to fall. This can be due to improper installation, age, lack of maintenance, or other defects. Therefore it is extremely important for you to keep an eye on the maintenance and safety of ceiling fans.

What causes a motor to hum? ›

A slightly misaligned or bent motor shaft will produce a humming sound. A similar noise can be created if there is a minor fault in the transmission equipment attached to the motor shaft. The latter can be confirmed by disconnecting the motor shaft from the load and turning it on.

Why is my motor making a humming noise? ›

Humming noises that come when you are accelerating the car indicates a wheel-bearing problem. Often discarded as engine noise, you can keep a check on the RPM gauge for it. To combat this problem, effectively start coasting the vehicle at high speed. If the noise persists, take the car to a mechanic.

How do I know if my ceiling fan motor is bad? ›

Before motor even goes out, you may notice the ceiling fan moving slower than normal, making jerky movements and/or making strange noises. These are all signs your ceiling fan motor is going bad.

Can a faulty ceiling fan cause a fire? ›

Common Causes Of Fires Involving Ceiling Fans

Inadequate wiring can lead to overheating of the fan motor and subsequent failure. If wiring is overloaded or not properly installed, it may overheat and start a fire. It's important to have an electrician check your electrical system if you're installing a ceiling fan.

What happens when ceiling fan makes noise? ›

A ceiling fan making clicking noise may be caused by blades that aren't firmly attached to the fan assembly. This problem is easy to correct and generally only requires a set of screwdrivers. Here's how you tighten fan blade screws: Step 1: Position a ladder or step stool so you have access to one or two fan blades.

How do I stop my ceiling lights from buzzing? ›

If your incandescent light is buzzing, likely the filament is vibrating. Moving the light off of a dimmer switch may help. The best thing, though, is to replace the bulb with an energy-saving LED bulb.

Why does my light switch make a humming noise? ›

Overcapacity and overloaded

If the bulbs in your light fixture have a high wattage and you hear that humming noise, then the switch is over capacity. Common wattage ratings for dimmers are 150 watts for a single blub, 300, 600 and 1000 watts for a high level of lighting.

What happens if I put a dimmer switch on a ceiling fan? ›

Standard dimmer switches should never be used to control the fan motor on a ceiling fan because the dimmer could damage the fan motor, or overheat and start a fire.

What causes a ceiling fan capacitor to fail? ›

Overheating is a primary cause of a failed start capacitor. Start capacitors are not designed to dissipate the heat associated with continuous operation; they are designed to stay in the circuit only momentarily while the motor is starting. If a start capacitor stays in the circuit too long, it will overheat and fail.

What does it mean if my fan is making a weird noise? ›

Clicking noises in a fan are most often caused by a loose blade and/or loose blade holder screws. Check all the screws and tighten them as needed.


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