LG TV & Audio OLED55B3PUA 55" Class B3 4K OLED Smart TV BANDING Error Fix: Horizontal or Vertical Banding

Error code BANDING on the LG TV & Audio OLED55B3PUA 55" Class B3 4K OLED Smart TV means: Horizontal or Vertical Banding. Visible bands or streaks across screen, noticeable in solid color scenes or gradients. On LED/LCD, caused by uneven backlight distribution. On OLED, banding/dirty screen effect (DSE) results from panel non-uniformity. Enable "Smooth Gradation" or "Noise Reduction" in Settings → Picture → Advanced Settings. On OLEDs, running pixel refresher may improve uniformity.

The most successful fix is "Run Pixel Refresher and Calibrate Display" (medium difficulty, ~30 minutes). This fix costs nothing. HomeMD has 2 community-ranked fixes for this error.

This error is rated low severity. It is generally not urgent and can often be resolved with a simple DIY fix.

Yes — the top-ranked community fix ("Run Pixel Refresher and Calibrate Display") is rated medium difficulty and takes about 30 minutes. Tools needed: TV remote control, Calibration disc or app.

DIY cost: $0. Professional repair typically costs $90-$140. Many homeowners save money by trying the top-ranked community fix first.

The LG TV & Audio OLED55B3PUA 55" Class B3 4K OLED Smart TV has 8 other known error codes, including: ABNORMAL TEMP (OLED Panel Over-Temperature), APP CRASH (App Freezes or Crashes), AUDIO SYNC (Audio Out of Sync with Video), BLINK 2X (Power Supply Overcurrent / Short), BLINK 3X (Main Board Failure), and 3 more.

Error code BANDING also appears on 6 other LG TV & Audio models: 55UQ7570PUJ 55" Class UQ75 Series 4K UHD Smart TV, 75NANO75UQA 75" Class NanoCell 75 Series 4K Smart TV, 86QNED80URA 86" Class QNED80 4K QNED MiniLED Smart TV, OLED65C3PUA 65" Class C3 4K OLED evo Smart TV, OLED65C4PUA 65" Class C4 4K OLED evo Smart TV, OLED65G3PUA 65" Class G3 4K OLED evo Gallery Edition Smart TV. The fix may vary by model, so check each model's specific page for tailored repair steps.