Short answer: If your LG freezer isn’t freezing, ensure the door seals are intact and the door is closing properly. Check the temperature setting; it should be set to 0°F (-18°C) or lower.

When investing in modern refrigeration appliances, people expect them to function optimally, ensuring our food stays fresh and safe for consumption. LG, a renowned global brand, has consistently provided households with top-notch appliances, including refrigerators and freezers. However, like any piece of machinery, sometimes these devices can face issues. One of the more perplexing problems for many homeowners is when the LG freezer stops freezing. This issue can lead to a host of concerns, from spoiled food to wasted energy. Understanding the potential causes and troubleshooting steps for an LG freezer that isn’t freezing is crucial for timely resolution. This guide seeks to delve into the possible reasons and provide insight into addressing this specific concern.

Common Reasons Why Your LG Freezer Is Not Freezing

Overloaded Fridge:

Overloaded Fridge
Overloaded Fridge

An overly packed freezer can restrict airflow, which is essential for maintaining the correct temperature. When items are jam-packed, they can prevent the circulation of cold air, leading to uneven cooling or inadequate freezing.

Dirty Condenser Coils:

How to Clean a Refrigerator
How to Clean Condenser Coils on your LG

The condenser coils are responsible for dissipating heat as the refrigerant passes through them. When these coils are dirty, they can’t release heat efficiently, which makes the freezer work harder and may prevent it from freezing properly.

Frosted Evaporator Coils:

Over time, a buildup of frost can accumulate on the evaporator coils. This frost can insulate the coils, preventing them from absorbing heat and cooling the air inside the freezer. The result is a freezer that doesn’t get cold enough.

Failed Evaporator Fan Motor:

LG Refrigerator Condenser Fan Motor
LG Refrigerator Fan Motor

This fan ensures the circulation of cold air throughout the freezer. If it’s malfunctioning, cold air won’t be evenly distributed, leading to areas that might not freeze properly.

Faulty Start Relay:

The start relay works in tandem with the compressor. If it’s faulty, the compressor might not start at all, leading to a freezer that doesn’t cool.

Incorrect Thermostat Setting:

Sometimes, the simplest explanation is the right one. If the thermostat is set too high, your freezer won’t freeze. Ensure the setting is correct and not accidentally altered.

Leaking Coolant System:

The refrigerant or coolant is what actually cools the air inside the freezer. If there’s a leak in the system, there might not be enough refrigerant to cool the air, leading to a freezer that doesn’t freeze.

Faulty Compressor:

The compressor is like the heart of the freezer. If it’s not working correctly, it might not be pumping refrigerant as it should, which would impact the appliance’s cooling efficiency.

Door Seal Issues:

The door seal ensures that cold air remains inside the freezer. If it’s damaged or not sealing correctly, warm air can enter the freezer, making it harder for the appliance to maintain freezing temperatures.

Damaged Temperature Control Thermostat:

This component monitors the temperature inside the freezer and sends power to the compressor and fan motors. If it’s not working correctly, it may not send power, and the freezer won’t freeze.

Defective Main Control Board:

While it’s a less common issue, sometimes the main control board of the freezer can malfunction. When it does, it can affect various components and their ability to function properly.

Fixing the LG freezer Not Freezing

Fault in compressor
Fixing temprature

Reset Power:

Sometimes, electronic appliances benefit from a simple reset. Power disruptions or minor glitches can occasionally cause the freezer to act erratically. Unplug the freezer from the power outlet, wait for a few minutes, then plug it back in. This might help the freezer to reset its internal systems and function properly.

Clean the Condenser Coils:

Dirty condenser coils can’t dissipate heat efficiently, leading to decreased cooling capacity. Using a coil brush or a vacuum, gently clean the coils to remove dust and dirt. This should be done periodically to maintain optimal performance.

Test the Temperature Control Thermostat:

This thermostat monitors and controls the temperature inside the freezer. If faulty, it won’t correctly manage the cooling cycle. Use a multimeter to test the thermostat for continuity. If the thermostat doesn’t have continuity in any setting, replace it.

Test the Condenser Fan:

The condenser fan cools the compressor and condenser coils as they work. If it’s not functioning, the freezer won’t cool effectively. Check the fan for any obstructions. If it’s clear and still not running, test its motor with a multimeter to determine if it needs replacement.

Test the Start Relay:

The start relay powers the compressor. A malfunctioning start relay can result in a compressor that doesn’t start. Using a multimeter, test the relay for continuity. Replace it if it’s defective.

Test the Compressor:

The compressor is essential for the refrigeration cycle. If it’s faulty, the freezer won’t cool. After ensuring the start relay is functional, test the compressor using a multimeter. If it shows open circuits in any of the windings, the compressor is faulty and needs replacement.

Replace the Main Control Board:

The main control board governs most of the functions in the freezer. While rare, a defective board can cause multiple components to malfunction. If other troubleshooting steps have failed, consider replacing the main control board. However, it’s crucial to ensure the board is faulty before replacing it, as it’s often a more expensive component.

Check and Replace Door Seal:

A damaged or ineffective door seal can allow warm air to infiltrate the freezer. Inspect the seal for any damages or gaps. Clean it with warm soapy water to ensure a tight seal. If it’s damaged or worn out, consider replacing it.

Defrost the Freezer:

Excessive frost build-up can insulate the evaporator coils, impeding their efficiency. Manually defrost the freezer. Turn it off, remove the contents, and let the frost melt. Clean any water residue, turn the freezer back on, and monitor its performance.

Check the Evaporator Fan:

replacing condenser
Fixing LG freezer not freezing

The evaporator fan helps circulate cold air throughout the freezer. If it’s malfunctioning, some areas may not get adequately cooled. Listen for any unusual noises or signs that the fan isn’t working. If it seems defective, test it with a multimeter and replace it if necessary.

Inspect for Coolant Leaks:

The refrigerant or coolant is crucial for cooling. A leak can reduce the freezer’s cooling efficiency. While it’s challenging to test for a refrigerant leak without professional tools, signs include a hissing sound, oily residue near the refrigerator components, or continuously declining performance. If you suspect a leak, contact a professional technician.


How Long Should An LG Freezer Last?

On average, most freezers, including those made by LG, have a lifespan of 12-20 years, depending on usage, maintenance, and model quality. Regular maintenance and prompt repairs can help extend the appliance’s life.

What Temperature Should My LG French Door Freezer Be Set At?

Your LG French Door Freezer should ideally be set at 0°F (-18°C) for optimal freezing conditions and food preservation. It’s always a good idea to use a separate appliance thermometer to ensure accurate readings inside the freezer.

How Often Should I Defrost My LG Freezer?

Many modern LG freezers are designed with automatic defrost features. However, if you have a manual defrost model or notice excessive frost build-up, it’s recommended to defrost your freezer once a year or when the frost thickness reaches about a quarter-inch.

Can I Repair My LG Freezer Myself?

While some minor issues like cleaning coils, checking the thermostat setting, or defrosting can be handled by homeowners, complex problems related to electrical components, refrigerant leaks, or compressor malfunctions are best addressed by professionals to ensure safety and avoid potential warranty avoidance.


An LG freezer that isn’t freezing can pose a real concern for homeowners. The importance of a fully functional freezer extends beyond the convenience of having ice or frozen delicacies at hand; it’s about ensuring the safe preservation of food items, managing household expenses, and maximizing the utility of an appliance one has invested in. Various factors, from overloaded storage to technical malfunctions like faulty compressors or thermostats, can contribute to this issue. While some remedies can be implemented at home, such as cleaning coils or resetting power, more complex problems require professional intervention. It’s always essential to monitor the performance of your freezer, undertake regular maintenance, and address anomalies promptly. In doing so, you not only safeguard your food but also ensure the longevity and efficient performance of your LG appliance.

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