LG TV Error Code 8401: How to Fix It

Easy 60-120 minutes (mostly unattended pixel refresh runtime) Medium Severity Verified June 2026
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Error Code
8401
Brand
LG TV
Product Type
smart_tv
Severity
Medium
DIY Difficulty
Easy
Estimated Fix Time
60-120 minutes (mostly unattended pixel refresh runtime)
LG TV error code 8401 appears when the OLED pixel refresh cycle — a routine maintenance process that clears image retention and extends screen life — is interrupted before it can complete. This typically happens when the TV is powered off manually, unplugged, or loses power during the refresh process. While this error is not immediately dangerous, repeatedly skipping or interrupting the pixel refresh can shorten your OLED panel's lifespan over time.
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Tools You'll Need

How to Fix Error Code 8401

  1. Do Not Panic — Note the Error Message

  2. Allow the Pixel Refresh to Complete

    Do not unplug the TV or turn it off at the wall during the pixel refresh. Interrupting the process again will re-trigger error 8401 and can contribute to long-term OLED panel degradation.

  3. Manually Trigger the Pixel Refresh from Settings

  4. Soft Reset the TV if the Error Persists

  5. Check for Firmware Updates

    Do not unplug the TV while a firmware update is in progress, as this can corrupt the software and cause additional errors.

  6. Perform a Factory Reset (Last Resort)

    A factory reset erases all customized settings, saved networks, and app data. Write down your Wi-Fi password, streaming account logins, and picture settings before proceeding.
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When to Call a Professional

Contact LG customer support or a certified TV repair technician if error 8401 persists after completing the pixel refresh multiple times, after a factory reset, and after a firmware update. Persistent errors can indicate a fault in the OLED panel logic board or internal memory that stores refresh cycle data — these components require professional diagnosis and cannot be safely repaired at home. If your TV is still under LG's standard warranty (typically 1 year) or an extended OLED panel warranty, contact LG directly at 1-800-243-0000 or visit the LG support website before attempting any further steps, as unauthorized repairs may void your coverage.

Frequently Asked Questions

What is the OLED pixel refresh and why does my LG TV do it?
The OLED pixel refresh is an automatic maintenance routine built into LG OLED TVs. It compensates for uneven wear on the organic pixels caused by displaying static images or bright content for long periods. The process recalibrates each pixel's brightness to prevent permanent image retention (burn-in). LG TVs typically trigger this cycle automatically after approximately 2,000 hours of use or when the TV detects that the panel needs recalibration.
Is error code 8401 dangerous for my LG OLED TV?
Error 8401 itself is not immediately dangerous, but it is a warning that should not be ignored. The pixel refresh exists to protect your OLED panel. If you repeatedly interrupt or skip the refresh cycle, over time the organic pixels can wear unevenly, leading to image retention or permanent burn-in. Allowing the refresh to complete as prompted is the best way to protect your investment.
How long does the LG OLED pixel refresh take?
The LG OLED pixel refresh typically takes between 60 and 90 minutes to complete. During this time, the screen will be dark or show a progress bar, and the TV will not be usable for watching content. Plan to run it overnight or during a time when you won't need the TV. The TV will restart automatically once the process finishes.
Can I turn off my LG TV during the pixel refresh?
No — you should never turn off your LG TV, unplug it, or cut power to it during the pixel refresh cycle. Doing so will interrupt the process and trigger error code 8401. It may also leave the panel in a partially calibrated state. Always allow the refresh to run to full completion before using the TV again.
How do I prevent LG TV error 8401 from happening again?
The best way to prevent error 8401 is to never manually power off or unplug your LG TV when it notifies you that a pixel refresh is about to begin or is in progress. When the TV prompts you to run a pixel refresh, accept the prompt and let it finish. You can also set your TV to run the refresh automatically during low-usage hours. Keeping your firmware up to date also helps ensure the process runs correctly.

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