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    1. error code EID / F1
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lg | air-conditioner – Water Supply Issue
Error Codes (undefined): Troubleshooting, Fixes & Prevention Tips explained below.

What Does the IE Code Mean?❓

IE stands for “Inlet Error.” It is displayed when the system doesn’t receive enough water within a specific period. In ACs that have integrated humidifying functions or auxiliary water systems, this code can occur due to low pressure, blocked filters, or closed water valves.

air-conditioner - What Causes the IE Code?

  • Water supply valve is closed or partially open
  • Low water pressure in the line
  • Clogged inlet filter or debris in valve
  • Twisted, pinched, or frozen water hose
  • Faulty inlet valve not allowing water flow
  • Electrical issue preventing valve from opening

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

  • Ensure Water Supply is On

    1. Check the tap connected to the AC’s water line.
    2. Make sure it’s fully turned on and there’s adequate flow.

  • Clean the Inlet Filter

    1. Turn off the AC and disconnect the water line.
    2. Use a soft brush to clean any debris from the inlet screen.

  • Straighten or Replace Hose

    1. Inspect the hose for bends or freezing.
    2. Replace if damaged or old.

  • Reset the Unit

    1. Unplug for a few minutes.
    2. Reconnect and restart the unit to clear temporary error.

air-conditioner - Helpful Tips

  • Always check both ends of the water line for tight connection.
  • Install a mesh filter at the tap to reduce dirt entry.
  • Avoid using overly long hoses that may get tangled or blocked.
  • In winter, protect water lines from freezing.
  • Have your system serviced annually if it uses auxiliary water components.

Frequently Asked Questions❓

Question: Can the IE code appear on ACs?
Answer: Yes, on LG ACs with built-in water modules or humidifiers.
Question: Does IE mean something is broken?
Answer: Not necessarily. It often results from low pressure or blockage.
Question: How fast should I fix it?
Answer: Promptly, especially if your system relies on consistent water flow.

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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