LG Refrigerator Not Cooling Troubleshooting Guide

Are you experiencing issues with your LG refrigerator not cooling properly? Don’t worry, this comprehensive troubleshooting guide will help you diagnose and fix common cooling problems, ensuring your food stays fresh and your appliance performs at its best.


A refrigerator is an essential appliance in every household, and when it stops cooling properly, it can cause a significant inconvenience. LG refrigerators are known for their reliability and performance, but even the best appliances can encounter issues over time.

This troubleshooting guide aims to help you identify and resolve common cooling problems in your LG refrigerator, enabling you to restore its optimal functionality and keep your food fresh.

Popular Models of LG Refrigerators

  1. LG InstaView Door-in-Door™ Refrigerator (Model: LFXS26596S)
    • This model features a distinctive InstaView door that becomes transparent with just two knocks, allowing you to see inside without opening the door.
    • It offers a spacious capacity, advanced cooling technology, and a versatile Door-in-Door design for easy access to frequently used items.
  2. LG French Door Refrigerator with Craft Ice™ (Model: LRFVS3006S)
    • The French Door Refrigerator with Craft Ice™ is equipped with an automated ice maker that produces spherical ice for enhanced beverage experiences.
    • It offers ample storage space, SmartDiagnosis™ technology for quick troubleshooting, and a sleek stainless steel design.
  3. LG Side-by-Side Refrigerator (Model: LSXS26366S)
    • The Side-by-Side Refrigerator provides a convenient layout with the freezer compartment on the left and the refrigerator section on the right.
    • It boasts an impressive capacity, LED lighting, and advanced cooling features to keep your food fresh and organized.
  4. LG InstaView™ Door-in-Door™ Counter-Depth Refrigerator (Model: LMXC23796S)
    • This counter-depth refrigerator showcases the InstaView™ feature, enabling you to see the contents inside by simply knocking on the glass panel.
    • It offers an elegant design, smart connectivity options, and spacious storage capacity, making it a stylish and functional addition to any kitchen.
  5. LG Top Freezer Refrigerator (Model: LTCS24223S)
    • The Top Freezer Refrigerator provides a classic design with a freezer compartment on the top and a refrigerator section below.
    • It features adjustable shelves, humidity-controlled crispers, and a reliable cooling system to keep your groceries organized and fresh.
  6. LG 4-Door French Door Refrigerator with Door-in-Door™ (Model: LMXS28626S)
    • This 4-door French Door Refrigerator offers a unique Door-in-Door™ feature that provides easy access to frequently used items without opening the entire refrigerator.
    • It boasts a spacious interior, flexible storage options, and advanced technologies for efficient cooling and preservation of food.
  7. LG Bottom Freezer Refrigerator (Model: LDCS24223S)
    • The Bottom Freezer Refrigerator is designed with the freezer compartment at the bottom and the refrigerator section on top for convenient access to fresh food.
    • It offers a user-friendly layout, energy-efficient performance, and reliable temperature control to keep your groceries in optimal condition.
  8. LG Side-by-Side InstaView™ Door-in-Door™ Refrigerator (Model: LSXC22396S)
    • This side-by-side refrigerator features the InstaView™ Door-in-Door™ feature for quick access to beverages and snacks without opening the entire door.
    • It offers a generous capacity, Wi-Fi connectivity, and multi-air flow system to maintain consistent cooling and freshness.
  9. LG Counter-Depth French Door Refrigerator (Model: LFXC24796S)
    • The Counter-Depth French Door Refrigerator is designed to seamlessly blend with your kitchen cabinetry for a sleek and built-in look.
    • It provides spacious storage, Smart Cooling Plus™ technology, and a versatile design for maximum convenience and style.
  10. LG Mega Capacity French Door Refrigerator (Model: LFXS30796D)
    • This Mega Capacity French Door Refrigerator offers an expansive storage space for larger families or households that require ample storage options.
    • It features SmartThinQ® technology for remote control and monitoring, as well as a dual ice maker and a fingerprint-resistant finish for added convenience and durability.

Problems of Using a Non-Cooling LG Refrigerator:

  1. Food Spoilage: The primary concern when a refrigerator fails to cool is the potential spoilage of perishable food items, leading to wastage and additional expenses.
  2. Temperature Fluctuations: Inconsistent cooling temperatures can impact the overall freshness and quality of stored food, making it less safe to consume.
  3. Inefficient Energy Usage: A refrigerator struggling to maintain proper cooling often requires more energy to compensate, resulting in increased electricity bills.
  4. Ice Melting: When the cooling system fails, ice in the freezer compartment may melt, leading to water leakage and the formation of ice crystals that can hinder the appliance’s functionality.

Possible Damaged Parts:

  1. Evaporator Fan Motor: The evaporator fan circulates cool air throughout the refrigerator. If the fan motor malfunctions, the unit may fail to cool properly.
  2. Condenser Coils: Accumulation of dirt, dust, or debris on the condenser coils can impede heat dissipation, reducing cooling efficiency.
  3. Compressor: The compressor is responsible for compressing and circulating refrigerant. A faulty compressor can result in inadequate cooling performance.
  4. Thermistor: The thermistor senses the temperature inside the refrigerator and sends signals to the control board. A defective thermistor can cause temperature inconsistencies.
  5. Damaged Door Seals: Worn-out or damaged door seals can cause warm air to enter the refrigerator, leading to cooling problems.

Step-by-Step Troubleshooting:

Step 1: Check Power and Settings

  • Ensure the refrigerator is properly plugged into a working power outlet.
  • Confirm that the temperature settings are appropriately adjusted and not accidentally set to warmer temperatures.

Step 2: Clean the Condenser Coils

  • Locate the condenser coils at the back or underneath the refrigerator.
  • Disconnect the power and use a brush or vacuum cleaner to remove dirt, dust, and debris from the coils.
  • Reconnect the power and check if the cooling performance improves.

Step 3: Assess the Evaporator Fan Motor

  • Open the refrigerator and listen for the sound of the evaporator fan.
  • If the fan is not running, it may indicate a faulty motor. Consider contacting a professional for repair or replacement.

Step 4: Examine the Thermistor

  • Consult your refrigerator’s user manual to locate the thermistor, usually found near the evaporator coils.
  • Inspect the thermistor for any visible damage or signs of wear.
  • If the thermistor appears faulty, it’s advisable to seek professional assistance for diagnosis and replacement.

Step 5: Inspect the Door Seals

  • Close the refrigerator door on a sheet of paper and attempt to pull it out.
  • If the paper slides out easily, the door seals may be damaged and need replacement. Contact an authorized service center for assistance.

Step 6: Evaluate the Compressor

  • Listen for any unusual noises coming from the compressor.
  • If the compressor is not running or making strange sounds, it may require professional attention.


By following this troubleshooting guide, you can identify and resolve common cooling issues in your LG refrigerator.

Remember to prioritize safety and seek professional assistance if needed, especially when dealing with complex components like the compressor or evaporator fan motor.

Restoring your LG refrigerator’s cooling performance will ensure your food stays fresh, reducing waste and saving you from unnecessary expenses.

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