At a Glance
LG makes it easy to diagnose problems with your air conditioner should you run into any issues. If an issue occurs, the air conditioner is programmed to communicate diagnostic messages, displayed as codes, that can usually be resolved by performing a few troubleshooting steps.
If your air conditioner is displaying an error code not listed here, please see our LG Air Conditioner - Error Codes article.
Try This
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E1 Error Code
The E1 error code is an AUTO-STOP PROTECTION indicating a short or open circuit in the indoor pipe sensor.
Try unplugging the unit and waiting 2 minutes for the power to discharge. Then plug the unit back in.
If the error code reappears, the unit will require a repair service. Please visit our Request a Repair page for further assistance
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E2 Error Code
The E2 error code is an AUTO-STOP PROTECTION indicating a short or open circuit in the indoor pipe sensor.
Unfortunately, there is not any troubleshooting to resolve this error.
The unit will require a repair service. Please visit our Request a Repair page for further assistance.
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E3 Error Code
The E3 error code indicates the unit has detected there is no refrigerant.
The unit will require a repair service for refrigerant to be added, please visit Request a Repair page for further assistance.
