How to Check LG Inverter Error Code: A Comprehensive Guide

When dealing with LG HVAC, washer, or air conditioning systems, understanding and troubleshooting error codes is crucial for maintaining optimal performance and resolving issues. This comprehensive guide will walk you through the process of checking LG inverter error codes, providing you with the necessary technical details and expert-level insights to diagnose and address various error scenarios.

Understanding LG Inverter Error Codes

LG’s technical documentation, such as the “DEFINING COMMON ERROR CODES – LG HVAC” paper, serves as a valuable resource for identifying and interpreting error codes across different LG product lines. This document provides a detailed table of error codes, their descriptions, and potential causes, enabling you to pinpoint the specific issue affecting your LG inverter-based system.

LG HVAC Outdoor Unit PCB Error Codes

The LG HVAC technical paper outlines a range of error codes that can occur in LG outdoor unit PCBs. These codes follow a specific format, with the first digit indicating the general category of the error, and the subsequent digits providing more detailed information. For instance:

  • Error code 6X indicates a checksum error, which could be caused by issues with the PCB or microprocessor.
  • Error code 90 signifies a high-pressure switch error, potentially due to a refrigerant leak, blocked airflow, or a malfunctioning switch.

By referencing this comprehensive error code table, you can quickly identify the nature of the problem and take the necessary steps to address it.

LG Washer Error Codes

When dealing with LG washers, the error code system differs from that of LG HVAC products. The LG USA Support guide provides a detailed list of common washer error codes and their corresponding meanings. For example:

  • The “LE” error code indicates a motor overload, which could be caused by a blocked drain, excessive clothing load, or a faulty motor.
  • The “PF” error code signifies a power failure, which may require you to check the power supply, circuit breakers, or the integrity of the electrical connections.

Familiarizing yourself with these error code definitions and the recommended troubleshooting steps can help you efficiently diagnose and resolve issues with your LG washer.

LG Single Split Air Conditioner Error Codes

When working with LG single split air conditioners, the error codes and troubleshooting procedures differ yet again. The LG YouTube video “LG Single Split : Trouble Shooting Guide (Error Code CH21, 26, 27, 29)” provides valuable insights into addressing specific error codes:

  • Error code CH21 indicates a PCB error, which may require checking the voltage, inspecting the installation space, and ensuring proper electrical connections.
  • Error code 26 points to a fan motor error, which could be caused by a faulty fan motor or issues with the fan motor wiring.

By following the step-by-step guidance provided in this video, you can effectively diagnose and resolve these air conditioner-specific error codes.

Troubleshooting LG Inverter Error Codes

how to check LG inverter error codeImage source: LG Ac By Air fans

Regardless of the LG product you’re working with, the general troubleshooting process for inverter error codes follows a similar approach. Here are the key steps to effectively diagnose and address LG inverter error codes:

  1. Identify the Error Code: Refer to the appropriate technical documentation or support resources to determine the specific error code displayed on your LG device.

  2. Understand the Error Code: Consult the error code tables or descriptions provided in the technical papers or support guides to understand the meaning and potential causes of the error code.

  3. Inspect the System: Carefully examine the LG device, checking for any physical damage, obstructions, or signs of wear and tear that could be contributing to the error.

  4. Measure Electrical Parameters: Use a multimeter or other specialized tools to measure voltages, resistances, and other electrical parameters as recommended in the troubleshooting guides. This can help identify any malfunctioning components or issues with the power supply.

  5. Clean and Maintain the System: Ensure that the LG device is properly cleaned and maintained, as per the manufacturer’s instructions. This may involve tasks such as cleaning the air filters, checking the refrigerant levels, or clearing any blockages in the drainage system.

  6. Replace Faulty Components: If the troubleshooting process identifies a specific faulty component, such as a motor, sensor, or PCB, replace the component with a genuine LG replacement part to restore the system’s proper functioning.

  7. Verify the Repair: After completing the necessary repairs or replacements, test the LG device to ensure that the error code has been resolved and the system is operating correctly.

By following these comprehensive troubleshooting steps and leveraging the technical resources provided by LG, you can effectively diagnose and address a wide range of LG inverter error codes, ensuring the optimal performance and longevity of your LG HVAC, washer, or air conditioning systems.

References:

  1. LG HVAC. (2021). DEFINING COMMON ERROR CODES – LG HVAC. Retrieved from https://lghvac.com/resource-service?filename=DFS-TP-AH-001-US_012H10_LGTechPaper_ErrorCodes_LS_091-121_HSV.pdf
  2. LG USA Support. (2022). LG Washer – Error Code List | LG USA Support. Retrieved from https://www.lg.com/us/support/help-library/lg-washer-error-code-list–20150140270078
  3. LG. (2022). LG Single Split : Trouble Shooting Guide (Error Code CH21, 26, 27, 29) I LG – YouTube. Retrieved from https://www.youtube.com/watch?v=chVw6I8vWYw