LG Washer - IE1 Error Code

The washer detected a water inlet problem (variant of IE).

Meaning

The washer detected a water inlet problem (variant of IE).

The LG IE1 error code is a variant of the standard IE water inlet error. IE1 appears on newer North American LG front‑load washers when the washer detects slow fill, inconsistent flow, or incorrect temperature mixing.

Symptoms

  • Washer fills slowly
  • Only hot or cold flows
  • ThinQ may show 'Water supply error'

Causes

  • Clogged inlet screens
  • Low water pressure
  • Faulty inlet valve
  • Kinked hoses
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Step-by-Step Fixes

  • Clean inlet screens.
  • Check water pressure.
  • Inspect hoses.
  • Replace inlet valve if needed.
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Safety Notes

  • Turn off water before removing hoses.
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Applicable Models

Show Models
  • map[front-load direct-drive (ie1-capable models):[WM3700HWA WM3800HBA WM3900HWA WM4000HWA WM4200HWA]]
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Related Pages

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Other LG Washer Error Codes

Show All Error Codes

Model-Specific Notes

- IE1 is more specific than IE and often appears when hot/cold mixing is incorrect. - Hard water can clog inlet screens quickly.

Disclaimer

The information provided on this page is for educational and informational purposes only. Repairs involve electrical, mechanical, and water-related risks. Always follow manufacturer instructions and consider contacting a qualified technician for diagnosis or repair.

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