Samsung Crystal UHD U8079F 4K 55 Zoll (138 cm) LED Fernseher, Crystal Prozessor 4K, MetalStream Design, SmartThings, AI Upscaling, Gaming Hub, Knox Security, Kostenlose Inhalte, Smart TV — Error codes & fixes

Troubleshooting guide for the Samsung Crystal UHD U8079F 4K 55 Zoll (138 cm) LED Fernseher, Crystal Prozessor 4K, MetalStream Design, SmartThings, AI Upscaling, Gaming Hub, Knox Security, Kostenlose Inhalte, Smart TV. Diagnose an error code and find the fix.

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

Remote control not working

remote-not-working

The soundbar remote does not respond, often due to dead batteries or a pairing issue.

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

2 fixes available

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