7 Easy Fixes To Stop Lg Refrigerator Ice Maker Knocking Noise

A knocking noise from your lg refrigerator’s ice maker could indicate a problem with the fan. It may require inspection and repair from a professional technician.

If your lg refrigerator’s ice maker produces a knocking noise, it can be annoying and disruptive to the kitchen’s peace. The majority of times, the problem is minor and can be resolved easily. A problem with the ice maker fan might be the source of the noise.

If the fan is damaged, it can cause the ice maker to vibrate and produce the knocking noise. Other causes could include ice buildup in the ice maker or a malfunctioning water valve. To repair the issue, you should first determine the source of the knocking noise and then resolve it. If simple troubleshooting techniques don’t work, contacting an lg technician to assist you in verifying the problem and performing repairs may be a good idea.

7 Easy Fixes To Stop Lg Refrigerator Ice Maker Knocking Noise

Credit: www.bestbuy.com

Understanding The Knocking Noise

If you own an lg refrigerator, you might have come across its ice maker producing a knocking noise. This noise can be distressing, and you may find yourself wondering if it’s an indication of an imminent malfunction or if it’s a normal occurrence.

In this blog post, we’ll help you understand the knocking noise from your lg refrigerator’s ice maker.

Causes Of The Knocking Noise

Before you can fix the knocking noise from the ice maker, you first need to identify the cause of the noise. Here are some potential culprits:

  • Water pressure issues: Inadequate water pressure to the refrigerator can cause the water valve to produce a knocking noise.
  • Ice cubes stuck in the ejector: If ice cubes are stuck in the ejector, it can cause the ice maker to produce a knocking noise when it tries to dispense ice.
  • Malfunctioning icemaker motor: If you hear the knocking noise when the ice maker is trying to cycle, the source could be a malfunctioning motor.
  • Loose parts: It is possible for some components to come loose, leading to the knocking sound.

How To Identify If The Noise Is Caused By The Ice Maker

It’s simple to determine if the knocking noise is coming from the ice maker. Here are some steps to verify the ice maker is the source of the noise:

  • Open the freezer compartment and temporarily deactivate the ice maker by lifting the sensor arm.
  • If the knocking noise stops when the ice maker gets deactivated, it’s apparent that the ice maker is causing the sound.
  • Alternatively, another way to verify the same is by physically inspecting the ice maker for the components mentioned above which can cause the knocking noise.

Understanding The Different Sounds And Their Implications

Not all knocking noises from an lg refrigerator’s ice maker are the same, and each sound indicates different scenarios. Here are some of the various sounds and what they may mean:

  • Single knock sound: If you hear a single knock sound when the ice maker draws water, it’s generally a typical sound reflecting the water that fills the ice tray.
  • Rapid knocking sound: If you hear rapid knocks, repetitive in nature, it is an indication of the gears or the motor being faulty, resulting in the device not ejecting the ice cubes correctly.
  • Popping sound: If you hear a popping sound, the freezer might not be levelled properly, which can cause the ice maker to eject ice in an uneven way.

While knocking sounds from your lg refrigerator’s ice maker might be stressful, recognizing the cause of the sound is half the battle. Once you understand the origins of the knocking noise, fixing it should not be a problem.

Easy Fixes To Stop Lg Refrigerator Ice Maker From Knocking

Is your lg refrigerator’s ice maker making annoying knocking sounds? If so, you’re not alone. This problem is quite common, but happily, there are some easy fixes that you can do to stop your lg refrigerator from producing that loud and irritating sound.

Here are some practical steps to resolve the problem, so you can enjoy your ice maker once again:

Adjusting The Level Of The Refrigerator

If your lg refrigerator is not level, it can disturb the ice maker, causing it to create knocking sounds. To resolve this issue, here are some simple steps to level your fridge:

  • Check the level of your refrigerator using a spirit level.
  • If the fridge is not entirely level, adjust the leveling feet underneath the unit to make it level.

Examining And Repairing The Water Supply Line

A water supply line that’s not adequately connected to your lg refrigerator can also lead to knocking sounds. Follow these steps to examine and repair your water supply line:

  • Turn off the water source.
  • Inspect the water line and ensure that it’s correctly attached to your refrigerator.
  • If there are any cracks on the water line, replace it with a new one.

Changing The Water Filter

If the water filter in your refrigerator has been used for a long time, it may be dirty and clogged, resulting in knocking sounds. Change it by following these simple tips:

  • Locate the water filter behind your refrigerator.
  • Turn the water supply off before removing the filter.
  • Replace the old water filter with a new one.

Checking And Repairing The Ice Maker Motor

A broken or damaged motor can cause your lg refrigerator ice maker to emit knocking sounds. Here’s what you need to do:

  • Access the ice maker motor located in the freezer.
  • Inspect the motor to check for any damage or broken parts.
  • If the motor seems damaged, consider calling a professional to fix it for you.

Replacing Worn-Out Fan Blades

A fan blade that’s worn out or damaged can cause an imbalanced flow of air, making your lg refrigerator’s ice maker knock. Follow these steps to resolve the issue:

  • Remove the back panel of your refrigerator.
  • Locate the fan behind the panel.
  • If the fan blades are worn out or damaged, replace them with new ones.

By following these easy-to-do fixes, you can stop your lg refrigerator ice maker from making annoying and loud knocking sounds. Remember, if the problem persists, consider getting professional help from an experienced technician.

Advanced Fixes For Persistent Ice Maker Knocking Noise

If your lg refrigerator’s ice maker is producing a knocking noise that won’t go away, don’t worry, there are several advanced fixes you can try to resolve the issue.

Examining And Repairing The Water Inlet Valve

One of the most common causes of ice maker knocking noises is a bad water inlet valve. Here are some steps to follow to examine and repair the valve:

  • Turn off the water supply and unplug the refrigerator.
  • Remove the valve from the back of the refrigerator and detach the solenoid and water lines.
  • Clean the valve to remove any debris or clogs that may be causing the knocking noise.
  • Inspect the valve for any signs of damage or wear and tear.
  • Replace the valve and reattach the solenoid and water lines.
  • Turn the water supply and refrigerator back on.

Replacing The Ice Maker Assembly

If examining and repairing the water inlet valve did not solve the problem, you may have to replace the ice maker assembly. Here are some steps to follow when replacing the assembly:

  • Turn off the water supply and unplug the refrigerator.
  • Remove the ice maker assembly from the refrigerator.
  • Install the new ice maker assembly.
  • Plug the refrigerator back in and turn on the water supply.
  • Wait for the ice maker to fill with water and produce ice.

Hiring A Professional Repair Technician

If examining and repairing the water inlet valve and replacing the ice maker assembly did not resolve the knocking noise, it might be time to seek help from a professional repair technician. Here are the steps to take when hiring a technician:

  • Look for certified repair technicians.
  • Check if they have experience working with lg refrigerators.
  • Get quotes from at least three different repair technicians.
  • Read reviews and ask for referrals from family and friends.
  • Hire a technician who provides a written estimate and warranty.

Don’t let the knocking noise from your lg refrigerator’s ice maker ruin your peace and quiet. Try these advanced fixes to resolve the problem and restore peace to your home.

Maintenance To Prevent Future Ice Maker Knocking

Is your lg refrigerator’s ice maker making a knocking noise? This issue can be frustrating, especially when it interrupts your peaceful home environment. However, you can take steps to prevent future issues and stop the knocking sound. Follow these tips for regular cleaning and maintenance of the refrigerator, replacing the water filter and keeping the refrigerator functioning efficiently.

Regular Cleaning And Maintenance Of The Refrigerator

  • Clean the condenser coil once or twice a year to help it run more efficiently.
  • Check the door gaskets regularly to ensure that the seal is tight and free of debris. A loose or dirty seal can cause the refrigerator to work harder and create extra noise.
  • Dust the refrigerator’s condenser fan and motor to avoid excess noise from dust buildup.
  • Ensure that the levelling legs are stable and level. A fridge that is unsteady can make weird noises, including knocking sounds.

Regular Replacement Of The Water Filter

  • Change the water filter every six months to prevent buildup of sediment and debris that can cause a knocking noise.
  • Make sure to use a genuine lg water filter that fits your specific refrigerator model.
  • During the replacement process, check for leaks, and tighten any loose connections to stop the issue of knocking noise permanently.

Tips To Keep The Refrigerator Functioning Efficiently

  • Do not overload the refrigerator; it can cause the compressor to work harder and create unexpected noises.
  • Let hot foods or liquids cool down to room temperature before storing them in the refrigerator.
  • Keep the fridge away from direct sunlight and other sources of heat.
  • Make sure the freezer door is tightly closed. If it’s open even slightly, it can cause the evaporator fan blades to hit frost buildup, making a knocking noise.

By following these maintenance tips, you can prevent future knocking noises from your lg refrigerator’s ice maker. Regular cleaning, maintenance, and replacement of the water filter will result in a longer lifespan for your refrigerator while ensuring its efficient performance.

Frequently Asked Questions On Lg Refrigerator Ice Maker Knocking Noise

Why Is My Lg Refrigerator’S Ice Maker Making Knocking Noise?

The knocking noise is usually caused by the ice maker’s fan motor. It may also be due to ice cubes getting stuck in the dispenser chute, or the water inlet valve malfunctioning.

How Can I Stop The Knocking Noise From My Lg Refrigerator Ice Maker?

To stop the noise, you should defrost and clean the ice maker and ensure the water pressure is within the recommended range. If the noise persists, you may also consider replacing the ice maker motor or call a professional to diagnose and fix the issue.

Can A Faulty Water Inlet Valve Cause A Knocking Noise In The Lg Ice Maker?

A faulty water inlet valve can cause the knocking noise in an lg refrigerator ice maker when it doesn’t let water flow smoothly. The ice maker will have to work harder to dispense ice cubes, making it create knocking noises.

Is It Safe To Use An Lg Refrigerator With A Knocking Ice Maker?

It’s safe to use an lg refrigerator with a knocking ice maker. The noise may not cause any damage, but it can be unpleasant. However, it’s recommended to investigate and fix the issue to avoid a potential breakdown of the ice maker or refrigerator.


As a homeowner, hearing an unusual knocking noise from your lg refrigerator’s ice maker can be quite concerning. However, you shouldn’t panic, as fixing such issues is possible with a little bit of troubleshooting. Try out the simple solutions discussed in this article before calling for professional help, such as checking the ice cubes for irregular shapes, ensuring the fridge is levelled, and the water supply line is properly connected.

If all else fails, you may need to replace the ice maker entirely, which is not as daunting as it sounds. With the right tools and guidance, you can safely and efficiently replace the ice maker without incurring any extraordinary expenses.

Overall, there’s no cause for alarm when it comes to an lg refrigerator making knocking noises; just follow the steps to determine the root cause and resolve the issue quickly.

Recent Posts