
Figure 1: LG compressors.
The compressor is the heart of any refrigerator, including LG models. It is responsible for compressing the refrigerant gas and transferring heat from the inside of the refrigerator to the outside. The LG refrigerator compressor is known for its efficiency and durability, especially the LG linear compressor refrigerator.
However, like any mechanical component, it can fail over time due to wear and tear, electrical issues, or refrigerant leaks. In this article, we will discuss how to tell if an LG refrigerator compressor is bad, common LG refrigerator compressor problems, and the solutions to fix the issue.
1. Symptoms of a Bad LG Refrigerator Compressor
There are 5 symptoms that means a LG refrigerator compressor is bad:
● Warm Refrigerator
● Excessive Noise
● Refrigerator Runs Constantly
● Leaking Refrigerant
● Faulty Start Relay or Overload Protector
Warm Refrigerator: One of the most common symptoms of a bad compressor is a warm refrigerator. If the compressor is not functioning properly, it will not be able to transfer heat effectively, which can cause the temperature inside the refrigerator to rise.
Excessive Noise: Another symptom of a bad compressor is excessive noise. If the compressor is failing, it may make loud or unusual noises, such as clicking, rattling, or humming.
Refrigerator Runs Constantly: If the compressor is not functioning properly, it may cause the refrigerator to run constantly, which can lead to higher energy bills.
Leaking Refrigerant: A bad compressor can also cause refrigerant leaks, which can result in a loss of cooling capacity and potential damage to the compressor.
Faulty Start Relay or Overload Protector: The start relay and overload protector are components that help the compressor start and run properly. If either of these components is faulty, it can cause the compressor to malfunction.

Figure 2: Compressor start relay.
2. Common LG Refrigerator Compressor Problems
The LG refrigerator compressor is a durable and efficient component, but it can still experience problems over time. Some common LG refrigerator compressor problems include:
Compressor Failure: The compressor can fail due to electrical issues, refrigerant leaks, or general wear and tear. A failed compressor will need to be replaced to restore the refrigerator's cooling function.
Start Relay Failure: The start relay helps the compressor start and run properly. If the start relay fails, the compressor may not start at all or may start and then quickly stop.
Overload Protector Failure: The overload protector is another component that helps protect the compressor from electrical damage. If the overload protector fails, it can cause the compressor to malfunction.
Refrigerant Leaks: Refrigerant leaks can occur due to damage to the compressor, refrigerant lines, or other components. A refrigerant leak can lead to a loss of cooling capacity and potential damage to the compressor.

Figure 3: Refrigerator capacitors.
3. Solutions to Fix a Bad LG Refrigerator Compressor
The following are 5 ways to fix the problem of a bad LG refrigerator compressor:
● Check Power Supply
● Clean Condenser Coils
● Replace Start Relay or Overload Protector
● Replace Compressor
● Consider Buying a New Refrigerator
Check Power Supply: Before assuming that the compressor is bad, it is important to check the power supply to the refrigerator. Ensure that the refrigerator is plugged in and that the circuit breaker or fuse is not tripped.
Clean Condenser Coils: Dirty condenser coils can cause the compressor to work harder than necessary, which can lead to premature failure. Cleaning the condenser coils can help ensure that the compressor is working efficiently.
Replace Start Relay or Overload Protector: If the compressor is not starting properly, it may be due to a faulty start relay or overload protector. These components are relatively easy and inexpensive to replace.
Replace Compressor: If the compressor is indeed bad, it will need to be replaced. However, replacing the compressor can be a costly and time-consuming process, as it requires a licensed technician and specialized equipment.
Consider Buying a New Refrigerator: If the compressor is not covered under warranty and the cost of repairs is high, it may be more cost-effective to buy a new refrigerator instead of repairing the old one.

Figure 4: LG refrigerator.
4. Conclusion
A bad LG refrigerator compressor can cause a range of issues, including warm temperatures, excessive noise, and a loss of cooling capacity. By understanding the symptoms of a bad compressor, the common LG refrigerator compressor problems, and exploring some solutions to fix the issue, you can keep your refrigerator running smoothly and avoid costly repairs. If you suspect that your LG refrigerator compressor is bad, it is best to contact a licensed technician to diagnose and repair the issue.
5. FAQs
5.1 Is It Worth Replacing Compressor on LG Refrigerator?
Whether or not it is worth replacing the compressor on an LG refrigerator depends on several factors, such as the age and condition of the refrigerator, the cost of the replacement compressor, and the cost of the repair itself.
If the refrigerator is relatively new and in good condition, it may be worth replacing the compressor to extend the life of the appliance.
5.2 How Much Does a LG Refrigerator Compressor Cost?
The cost of an LG refrigerator compressor (LG refrigerator compressor replacement cost) can vary depending on several factors, such as the model of the refrigerator, the age of the refrigerator, and the cost of the replacement compressor itself. In general, the cost of an LG refrigerator compressor can range from $300 to $800 or more, depending on the specific circumstances.
It is important to note that the cost of the compressor is only one aspect of the overall cost of compressor replacement. Labor costs and additional parts or repairs may also be necessary, which can further increase the overall cost of the repair.
If you are considering replacing the compressor on your LG refrigerator, it is best to consult with a licensed technician to get an accurate estimate of the cost involved. They can assess the condition of the refrigerator and provide you with a detailed breakdown of the costs associated with the repair.

Figure 5: LG refrigerator compressor.
5.3 What Causes LG Compressors to Fail?
There are several factors that can cause LG compressors to fail, including:
Electrical Problems: Electrical issues can cause the compressor to fail, such as a faulty start relay, capacitor, or overload protector. These components help the compressor start and run properly, and if any of them fail, it can cause the compressor to malfunction or fail.
Wear and Tear: Like any mechanical component, the compressor can experience wear and tear over time, which can cause it to fail. This is especially true for older refrigerators that have been in use for many years.
Refrigerant Leaks: Refrigerant leaks can cause the compressor to overheat and fail. Leaks can occur due to damage to the compressor, refrigerant lines, or other components.
Overworking: If the compressor is overworked due to dirty condenser coils, a dirty evaporator coil, or a clogged air filter, it can cause the compressor to fail prematurely.
Improper Maintenance: Lack of proper maintenance can cause the compressor to fail. For example, failing to clean the condenser coils regularly can cause the compressor to work harder than necessary, which can lead to premature failure.
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