LG Refrigerator Error Codes: How to Fix Them


When your LG refrigerator encounters an issue, it may display an error code on its digital panel. Understanding these error codes can help you troubleshoot and fix the problem or determine if you need professional assistance. In this article, we’ll guide you through the most common LG refrigerator error codes, how to reset them, troubleshoot the issues, and when to call for help.


Common LG Refrigerator Error Codes

Error Code 1F/IF

This error code indicates an issue with the refrigerator’s ice maker fan. The fan may be blocked, malfunctioning, or not receiving proper voltage.

Error Code FF

Error code FF signifies a problem with the freezer fan. This could mean the fan is blocked, defective, or not getting enough power.

Error Code CF

CF is displayed when there’s a problem with the condenser fan. This may be due to a blockage, a faulty fan, or a lack of power supply.

Error Code FS

This error code relates to the refrigerator’s freezer sensor. It indicates a faulty, disconnected, or shorted sensor.

Error Code DH

DH signifies an issue with the defrost heater. The heater may be malfunctioning or not receiving the correct voltage.

Error Code RS

Error code RS is related to the refrigerator compartment sensor. This could mean the sensor is faulty, disconnected, or shorted.

Error Code IS

IS is displayed when there’s a problem with the ice maker sensor. The sensor may be faulty, disconnected, or shorted.

Error Code AS

AS error code indicates an issue with the ambient temperature sensor. This could mean the sensor is defective, disconnected, or shorted.

Error Code CS

CS signifies a problem with the communication between the main control board and the user interface. This could be due to a loose connection or a faulty control board.


LG refrigerator list


How to Reset LG Refrigerator Error Codes

To reset an error code on your LG refrigerator error codes, follow these steps:

  1. Unplug the refrigerator from the power source.
  2. Wait for 30 seconds.
  3. Plug the refrigerator back in.
  4. Check the display panel to see if the error code is cleared.

If the error code persists after resetting, it’s time to troubleshoot the problem.


Troubleshooting LG Refrigerator Error Codes

Unplug and Replug

Before diving into more in-depth troubleshooting, try unplugging the refrigerator, waiting for a few minutes, and plugging it back in. This simple step can sometimes resolve minor issues.

Check for Loose Connections

Inspect the wiring and connections inside the refrigerator, specifically those related to the error code displayed. Loose or disconnected wires can cause error codes, and re-securing them may resolve the issue.

Inspect the Condenser Coils

Dirty or clogged condenser coils can cause various error codes. Clean the coils using a brush or vacuum cleaner to remove dirt and debris. This can improve the refrigerator’s efficiency and may resolve the problem.

Test the Temperature Sensors

Use a multimeter to test the temperature sensors related to the error code. If a sensor is faulty, it will need to be replaced.

Examine the Defrost System

If the error code is related to the defrost system, inspect the defrost heater, defrost thermostat, and defrost control board for damage or malfunction. Replace any faulty components to resolve the issue.


When to Call for Professional Help

If you’ve tried troubleshooting the error code and the issue persists, it’s time to call for professional help. A qualified technician can diagnose and repair the problem, ensuring your refrigerator runs efficiently and safely.


Preventive Measures for Avoiding Error Codes

To minimize the occurrence of error codes and extend the life of your LG refrigerator error codes, consider the following preventive measures:

  1. Clean the condenser coils regularly.
  2. Check and tighten connections periodically.
  3. Keep the refrigerator’s doors closed as much as possible to maintain consistent temperatures.
  4. Avoid overloading the refrigerator, as this can strain the system and cause error codes.
  5. Inspect and replace faulty components before they cause more significant issues.



Understanding LG refrigerator error codes can help you identify and resolve problems before they escalate. By following the troubleshooting steps outlined in this article, you can often fix issues without professional help. However, if the problem persists or you’re unsure of your ability to perform the repairs, don’t hesitate to contact a qualified technician.

Authorized Service Information and Resource Link

If you need assistance from an authorized LG service center, you can locate one near you by visiting LG’s official website. The website offers a service center locator that allows you to find the nearest authorized service center based on your location.

Resource link: LG Support

Keep in mind that the link provided above directs you to the LG US support page. If you are located in another country, please visit the LG website for your region to find the appropriate support and service center information.

Always choose an authorized service center for your LG refrigerator repairs, as they have trained technicians who are familiar with LG products and can provide the best possible service.



Q1: How do I know if my LG refrigerator is displaying an error code?

A1: Error codes will appear on the digital display panel of your LG refrigerator. They are usually alphanumeric codes, such as “FF” or “DH.”

Q2: Can I fix an error code myself, or do I always need to call a professional?

A2: In some cases, you can troubleshoot and fix error codes yourself, as outlined in this article. However, if you’re not confident in your ability to perform the repairs or the issue persists, it’s best to call a professional.

Q3: How often should I clean my refrigerator’s condenser coils?

A3: It’s recommended to clean the condenser coils every six months to maintain optimal efficiency and prevent error codes.

Q4: Can a power outage cause error codes on my LG refrigerator?

A4: Yes, a power outage can cause temporary error codes on your refrigerator. Resetting the refrigerator by unplugging it and plugging it back in may resolve the issue.

Q5: How long do LG refrigerators typically last before experiencing issues?

A5: The lifespan of an LG refrigerator can vary, but most models last between 10 to 15 years with proper maintenance and care. Regularly cleaning the condenser coils, checking connections, and maintaining consistent temperatures can help extend the life of your refrigerator and minimize the occurrence of error codes.

Q6: Is it normal for my LG refrigerator to make noise?

A6: Some noise is normal during regular operation, such as when the compressor or fans are running. However, if you notice unusual or excessive noise, it could indicate an issue that needs attention. Check for loose components, blockages, or signs of wear, and address any issues as needed.

Q7: Are there any safety concerns when troubleshooting an LG refrigerator?

A7: Yes, safety should always be a priority when working on any electrical appliance. Ensure the refrigerator is unplugged before performing any repairs, and be cautious when working with electrical components. If you’re unsure about your ability to perform repairs safely, it’s best to call a professional.

Q8: Can I prevent my LG refrigerator from displaying error codes by regularly updating its software?

A8: While keeping your refrigerator’s software up-to-date can help with performance and efficiency, it won’t necessarily prevent error codes related to hardware issues. Proper maintenance and addressing issues promptly are the best ways to minimize error codes.

Q9: How do I know when it’s time to replace my LG refrigerator instead of repairing it?

A9: If your refrigerator is frequently displaying error codes, experiencing multiple component failures, or is older than 10-15 years, it may be more cost-effective to replace it rather than continuing to repair it. Newer versions are also more energy-efficient, saving you money on utilities.

Q10: Can the layout of my kitchen impact the performance of my LG refrigerator and cause error codes?

A10: Yes, the location and layout of your kitchen can affect your refrigerator’s performance. Ensure there is adequate space around your refrigerator for proper airflow, and avoid placing it near heat sources, such as ovens or direct sunlight. Poor ventilation and excessive heat can strain the refrigerator’s components, potentially leading to error codes and reduced efficiency.


Thermador refrigerator troubleshooting guide model list

  1. LMXS28626S – 28 cu. ft. 4-Door French Door Refrigerator
  2. LFXS26596S – 26 cu. ft. 3-Door French Door Refrigerator with InstaView™ Door-in-Door®
  3. LRFXS2503S – 25 cu. ft. 3-Door French Door Refrigerator
  4. LSXS26326S – 26 cu. ft. Side-by-Side Refrigerator
  5. LRMVS3006S – 30 cu. ft. 4-Door French Door Refrigerator with Craft Ice™ Maker
  6. LRFVS3006S – 30 cu. ft. 3-Door French Door Refrigerator with Craft Ice™ Maker
  7. LRFCS2503S – 25 cu. ft. 3-Door French Door Refrigerator
  8. LMXC23796S – 23 cu. ft. 4-Door French Door Counter-Depth Refrigerator with InstaView™ Door-in-Door®
  9. LSXC22396S – 22 cu. ft. Side-by-Side Counter-Depth Refrigerator with InstaView™ Door-in-Door®
  10. LFXS28968S – 28 cu. ft. 3-Door French Door Refrigerator


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