LG TV & Audio OLED55B3PUA 55" Class B3 4K OLED Smart TV PANEL NOISE Error Fix: OLED Panel Buzzing / Crackling Noise

Error code PANEL NOISE on the LG TV & Audio OLED55B3PUA 55" Class B3 4K OLED Smart TV means: OLED Panel Buzzing / Crackling Noise. OLED panel produces audible buzzing, humming, or crackling distinct from speakers. Caused by electrical excitation of organic compounds, more noticeable in quiet rooms during high-brightness scenes. Some degree is normal for OLED technology. Reducing OLED brightness and disabling Peak Brightness can reduce noise. Excessive buzzing with visual defects indicates panel defect.

The most successful fix is "Replace the OLED Panel or T-Con Board to Fix Excessive Buzzing" (medium difficulty, ~90 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 ("Replace the OLED Panel or T-Con Board to Fix Excessive Buzzing") is rated medium difficulty and takes about 90 minutes. Tools needed: T20 Torx screwdriver, Plastic spudger, Anti-static wrist strap.

DIY cost: $0. Professional repair typically costs $500-$900. 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), BANDING (Horizontal or Vertical Banding), BLINK 2X (Power Supply Overcurrent / Short), and 3 more.

Error code PANEL NOISE also appears on 3 other LG TV & Audio models: 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.