Samsung HW-Q800C — Error codes & fixes
Troubleshooting guide for the Samsung HW-Q800C. Diagnose an error code and find the fix.
Won't power on
no-powerThe soundbar does not turn on, often from a faulty power supply or a blown fuse.
Source: ProductDB new-categories research catalog
Confidence: 90%
Verified Aug 8, 2026
Remote control not working
remote-not-workingThe 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
Overheating / shuts down
overheatThe projector overheats and shuts down, usually from a blocked air filter or a failing cooling fan.
Source: Samsung TV support — no signal / HDMI
Confidence: 80%
Verified Aug 9, 2026
No sound
no-soundThe 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: 85%
Verified Aug 9, 2026
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