MEDION 138,8 cm (55 Zoll) QLED Fernseher (Smart-TV, Dolby Vision HDR, VIDAA Store, Prime Video, Disney+, DAZN, Paramount+, DTS X, Dolby Atmos, PVR, Bluetooth, MD 855600) — Error codes & fixes

Troubleshooting guide for the MEDION 138,8 cm (55 Zoll) QLED Fernseher (Smart-TV, Dolby Vision HDR, VIDAA Store, Prime Video, Disney+, DAZN, Paramount+, DTS X, Dolby Atmos, PVR, Bluetooth, MD 855600). Diagnose an error code and find the fix.

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

Screen flickering

screen-flicker

The screen flickers, often due to a refresh rate issue, a loose cable, or a failing panel.

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

2 fixes available

Smart apps not loading

no-apps

The smart TV apps fail to load, often due to a network issue or a software glitch.

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

2 fixes available

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