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How to Troubleshoot Er CH and Er CL Error Codes on Your LG

The [Er CH] or [Er CL] error code may appear when your refrigerator detects insufficient cooling or an abnormal internal temperature. These codes indicate insufficient refrigerant, a refrigerant leak, a compressor or valve problem, or another system issue. Contact LG Customer Support for further assistance.

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TroubleshootingRefrigerators

What to Check First

  1. Do not disassemble the air conditioner or replace internal parts yourself. Doing so may cause fire, electric shock, serious injury, or death.
  2. If the error code persists, stop using the air conditioner and contact LG Support for service.
  3. Insufficient refrigerant or a refrigerant leak.
  4. A problem with the compressor, valve, or another sealed system component.
  5. A blockage in the sealed system.
  6. A refrigerator or freezer door that was left open for an extended period.
  7. The [Er CH] or [Er CL] error code may appear when your refrigerator detects insufficient cooling or an abnormal internal temperature. These codes indicate insufficient refrigerant, a refrigerant leak, a compressor or valve problem, or another system issue. Contact LG Customer Support for further assistance.
  8. The refrigerator displays the [Er CH] or [Er CL] error code when it detects insufficient cooling or an abnormal internal temperature. Possible causes include:.
  9. Close the refrigerator and freezer doors completely if they were left open. Wait for the compartments to cool. Check if the error code has cleared.
  10. Unplug your refrigerator from the wall outlet. Wait for five minutes. Plug your refrigerator back into the wall outlet. Check if the error code has cleared.

Why This Can Happen

Symptoms can have more than one cause, and the correct steps depend on the exact model, installation and operating conditions. Use the checks above to narrow the issue before service.

Safety and Model-Specific Guidance

Stop troubleshooting if you notice burning, electrical damage, unsafe heat, gas odor, refrigerant concerns, or water near electrical components. Follow the official LG USA instructions for your exact model.

Frequently Asked Questions

What should I check first for How to Troubleshoot Er CH and Er CL Error Codes on Your LG Refrigerator?

Do not disassemble the air conditioner or replace internal parts yourself. Doing so may cause fire, electric shock, serious injury, or death.

When should I stop troubleshooting and contact LG?

Stop if the product shows signs of electrical damage, burning, leaking near electrical components, or if the recommended checks do not resolve the issue. Use LG USA support for model-specific service guidance.

Does this guidance apply to every LG model?

Not always. Controls, error codes and service steps can differ by model. Confirm the exact model number and follow the linked LG USA article for model-specific instructions.

Related LG Products

These model pages are linked because the stored category or exact model matches this Help Library topic.

Buying Guides for This Product Type

Features & valueRefrigerator Features Worth Paying For — Value GuideEfficiency & running costRefrigerator Efficiency, Energy & Running-Cost GuideHousehold use caseRefrigerator Family & High-Use Household GuideFit & installationRefrigerator Fit, Installation & Delivery Planning

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Read the Official LG Guide