TCL 55T6C 55 Zoll QLED Fernseher — Error codes & fixes
Troubleshooting guide for the TCL 55T6C 55 Zoll QLED Fernseher. Diagnose an error code and find the fix.
No signal / black screen
no-signalThe TV or monitor shows no signal, often from an HDMI issue or a wrong input.
Source: TCL support — TV troubleshooting
Confidence: 90%
Verified Aug 9, 2026
Won't power on
no-powerThe soundbar does not turn on, often from a faulty power supply or a blown fuse.
Source: TCL support — TV troubleshooting
Confidence: 85%
Verified Aug 9, 2026
Dead / stuck pixels
dead-pixelsThe panel has dead or stuck pixels, often a panel defect.
Source: TCL support — TV troubleshooting
Confidence: 80%
Verified Aug 9, 2026
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