LG Washer - OE3 Error Code

The washer detected a blocked drain pump.

Meaning

The washer detected a blocked drain pump.

The LG OE3 error code indicates that the drain pump is blocked or unable to rotate. This is a more severe version of OE and OE2.

Symptoms

  • Washer stops with water inside
  • Pump hums but does not spin
  • ThinQ may show 'Drain pump blocked'

Causes

  • Foreign object in pump
  • Pump impeller jammed
  • Pump motor seized
  • Wiring failure
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Step-by-Step Fixes

  • Remove drain filter and check for debris.
  • Inspect pump impeller.
  • Test pump motor.
  • Replace pump if seized.
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Safety Notes

  • Expect water to spill when opening filter.
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Applicable Models

Show Models
  • map[front-load direct-drive (oe3-capable models):[WM3700HWA WM3900HWA WM4000HWA]]
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Related Pages

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Other LG Washer Error Codes

Show All Error Codes

Model-Specific Notes

- OE3 is the most severe drain error. - Pump replacement is common.

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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