Have you ever been annoyed by the constant humming or buzzing noise from your fridge? The kind of noise that seems like it’s coming from the inside but stops abruptly when you open its door? It can be quite unsettling, especially if you’re used to your fridge running silently.
Let’s explore what might be the cause of these unusual sounds and whether they mean there’s a problem with your fridge.
First, it’s essential to know that your fridge has a few different components that can cause noise when it’s running.
The most common of these are the fans, mainly the evaporator fans and the condenser fan.
The evaporator fan is a critical component found inside your refrigerator’s freezer compartment. Its primary role is to circulate cold air from the evaporator coils throughout the refrigerator and freezer compartments. As the refrigerant absorbs heat from the air, it turns into a gas. This process results in a cooling effect that keeps your food at the desired temperature.
On the other hand, the condenser fan is located at the back of the fridge. It cools and condenses the refrigerant from its gaseous state back into a liquid. The condenser fan blows cool air from the room across the condenser coils, which release the heat from the coolant into the room, aiding in the cooling process. Together, these fans ensure that your refrigerator maintains an optimal temperature, keeping your food fresh.
When any of these components break down or get blocked, it can lead to noise coming from your fridge.
To test the fans, first, unplug the refrigerator. Next, make sure that nothing is blocking the fans. Even something like food in front of the fan or frost and ice build-up can block the fan and keep it from working at its best. Remove any blockages and give the fans a test spin. If they do not run smoothly, or the blades are bent or broken, they will need to be replaced.
Replacing the evaporator fan in your refrigerator can be handled with some basic tools and a little time. Note that your particular model may have more than one fan and they can be located in the refrigerator or freezer compartment. The process remains the same for either case.
Please follow the steps below:
Please remember, if the task seems too complicated or you encounter any errors along the way, you should call a professional to avoid damaging your fridge or causing injury.
If the sound is still there after clearing and replacing the fans, you may want to look at other components.
When the noise is a loud hum that is much louder when the fridge door is closed but quieter when it’s opened, it’s usually a sign that the noise is coming from the compressor.
Vibrations from the compressor are transmitted through the fridge body, which can cause the noise.
When you open the door, the fridge’s internal light switch interrupts the power supply to the compressor, causing it to stop running and the sounds to stop.
The compressor usually operates at a quiet hum, but if the sound gets loud, or constant, or stops entirely, then your compressor might need to be replaced. You will need to call a repair technician to do this.
In some instances the noise can be caused by loose components within the fridge. If the noise sounds like rattling, this could indicate the shelves or accessories are loose or improperly installed. Inspect the interior of your fridge to ensure everything is tight and in its proper place.
If you notice any defects or damage, consider replacing the shelves or call a technician to fix the issue.
Lastly, if the noise is loud and continues even after opening the fridge door, then you may need to investigate the fridge’s exterior.
The fridge’s compressor and condenser coil are located at the back of the fridge and can cause noise if they are faulty or experiencing strain.
These types of sounds are usually more severe and persistent and may indicate that there is a mechanical issue that requires professional attention.
Your fridge may make some noise now and again, but the good news is that it’s usually not a cause for concern.
It’s essential to know when the noise is not normal and which parts of your fridge are causing the noise. If you’re unsure about the source of the noise, it’s best to call in a professional to assess your fridge’s situation.
By maintaining your fridge regularly, keeping it clean, and replacing faulty components, you can keep your fridge running smoothly and noise-free for years to come.
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