LG 55NANO80A6B TV 55 Zoll (139 cm) 4K NanoCell AI TV (α7 Gen8 4K AI Prozessor, webOS 25, 60Hz) [Modelljahr 2025] — Error codes & fixes

Troubleshooting guide for the LG 55NANO80A6B TV 55 Zoll (139 cm) 4K NanoCell AI TV (α7 Gen8 4K AI Prozessor, webOS 25, 60Hz) [Modelljahr 2025]. Diagnose an error code and find the fix.

Dead / stuck pixels

dead-pixels

The panel has dead or stuck pixels, often a panel defect.

Source: Samsung TV support — no signal / HDMI Confidence: 80% Verified Aug 9, 2026

2 fixes available

No sound

no-sound

The soundbar powers on but produces no audio, often from a wrong input, a loose HDMI connection or a muted source.

Source: Samsung TV support — no signal / HDMI Confidence: 80% Verified Aug 9, 2026

2 fixes available

Wi-Fi connection failure

wifi-connect

The purifier cannot connect to the app or Wi-Fi, blocking remote control and monitoring.

Source: Samsung TV support — no signal / HDMI Confidence: 80% Verified Aug 9, 2026

2 fixes available

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