Does this guide apply to your appliance?

Match the brand, device type and complete display code. The same code can mean something different on another product family or market; a series name does not confirm every model in that series.

Model and family references in this record:

LG Front Load WasherLG Top Load Washer

Likely causes

  • A sensor fault or sensor-related control problem on an applicable LG front-load model.
  • The display may have been misread; “1N sE” is an installation-check/test-cycle result on some LG top-load models, not necessarily the standalone SE sensor code.
  • The washer may be a top-load model for which standalone SE is not listed as a standard code; the exact model manual is required.
  • A persistent sensor, wiring, or control-component fault may require internal diagnosis by a qualified technician.

What to try

Confirm the exact code and washer model

Easy
  1. Stop the cycle and record the display exactly as shown, including capitalization, spacing, and any leading characters.
  2. Check whether the display says “SE,” “1N sE,” “5E,” or something else; these codes may have different meanings.
  3. Locate the washer’s complete model number and consult its owner’s manual or the applicable LG support guidance.
  4. Do not infer the meaning from a similar-looking code if the model or display characters do not match.

Source for this check: www.lg.com

Perform LG’s basic power reset for a standalone SE code

Easy
  1. Turn the washer off using its controls.
  2. Unplug the washer from the electrical outlet for approximately 10 seconds.
  3. Restore power and restart the washer.
  4. Run a normal cycle only if the washer operates normally and no safety symptoms are present.
  5. If SE returns, stop using the washer and arrange professional inspection rather than repeatedly resetting it.

Source for this check: www.lg.com

If the display is “1N sE,” verify the installation-check context

Moderate
  1. Confirm that the display actually reads “1N sE,” rather than standalone “SE.”
  2. For a top-load washer, check the model-specific installation or test-cycle instructions in the owner’s manual.
  3. If instructed by the manual, ensure the tub is empty and the water faucets are open before running the installation-check/test cycle.
  4. Do not start a test procedure that is not specified for the exact model.
  5. If the test ends with an error again, obtain model-specific service guidance.

Source for this check: www.lg.com

Arrange professional service if SE persists

Professional

This is a service referral, not a do-it-yourself repair procedure.

  1. Unplug the washer if the standalone SE code returns after the reset.
  2. Write down the complete model number, exact code, when it appears, and whether the washer fills, spins, drains, or makes unusual sounds.
  3. Contact LG or a qualified appliance technician and provide those details.
  4. Do not remove panels or attempt sensor, wiring, motor, or control-board repairs yourself.
  5. Leave the washer unplugged if there is a burning odor, leakage, repeated breaker tripping, unusual noise, or abnormal motor behavior.

This step is marked professional. Stop if you are not qualified to continue.

Source for this check: www.lg.com

The code returned or the check did not help?

Avoid repeated resets and do not select a replacement part from the code alone. Record the exact code, full model number, when it appeared, and the checks you tried with their results. Share these details with the manufacturer or service technician.

Disconnecting power does not establish that internal components are safe to touch. This guide does not authorize opening electrical components or bypassing safety devices.

Related error codes

LG OELG washer OE error: drainage failure troubleshooting LG UELG washing machine UE error: unbalanced load LG CLLG washing machine CL code: Child Lock or Control Lock is active LG LELG washing machine LE error: motor locked or tub cannot rotate LG tCL / tcLLG washer tCL or tcL error code: Tub Clean reminder LG dELG Washing Machine Error Code dE (Door Lock Error)

Useful guides

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References