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lg | air-conditioner – Door/Panels Open
Error Codes (undefined): Troubleshooting, Fixes & Prevention Tips explained below.

What Does the dE Code Mean?❓

dE stands for “Door Error.” The system displays this code when it detects that a door, access panel, or lid is not properly closed or the door sensor is malfunctioning. In air conditioners, this may occur if a service panel is open or the indoor unit cover isn’t secured correctly.

air-conditioner - What Causes the dE Code?

  • Door or cover is not fully closed
  • Misaligned or loose door latches
  • Faulty door switch or sensor
  • Obstruction preventing full closure
  • Damaged hinge or mounting hardware
  • Loose internal wiring or moisture on sensor

air-conditioner - How to Fix dE Code on LG AC❓

  • Check All Doors or Panels

    1. Inspect the indoor and outdoor unit panels.
    2. Ensure all covers are properly closed and secured.

  • Inspect the Door Sensor

    1. Locate the door or panel switch sensor.
    2. Clean it gently and ensure it’s properly aligned.

  • Remove Any Obstruction

    1. Check for anything blocking the door or cover.
    2. Clear the way and try closing again.

  • Power Reset

    1. Turn off the system completely.
    2. Wait a few minutes and restart to clear the error.

air-conditioner - Helpful Tips

  • Close all service panels tightly after maintenance.
  • Check for broken hinges or worn-out latches periodically.
  • Avoid slamming the door or panel shut.
  • Keep the area around the panel clean and dry.
  • If the error repeats, consult a technician to inspect the door switch.

Frequently Asked Questions❓

Question: Can I use the AC if the dE code shows?
Answer: No. The system halts operation for safety reasons when it detects an open door or panel.
Question: Is the dE code always a door problem?
Answer: Usually yes, but sometimes it can be a sensor fault.
Question: How do I reset the dE error?
Answer: Ensure everything is closed properly, then unplug the unit for 5 minutes and restart it.

When to Contact a Technician

If you experience any of the following issues even after completing the recommended troubleshooting steps, please contact an authorized service technician or our support team for further assistance.

  • The same error appears repeatedly after restarting or resetting the unit.
  • Multiple error codes appear simultaneously.
  • The device makes unusual noises, vibrations, or emits a burning smell.
  • The product fails to start, operate, or complete its function despite troubleshooting.
  • There are signs of electrical issues, physical damage, or leakage.
  • An unknown or unlisted error code appears on the display.

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