Hisense 98E7Q Fernseher, 98 Zoll, 2480 Mm, 4K UHD QLED, Smart TV, 144Hz Game Mode PRO, AI 4K Upscaler, Smoothmotion, Lichtsensor, Colour, Dolby Vision Atmos, Sprachsteuerung, EZPlay — Error codes & fixes
Troubleshooting guide for the Hisense 98E7Q Fernseher, 98 Zoll, 2480 Mm, 4K UHD QLED, Smart TV, 144Hz Game Mode PRO, AI 4K Upscaler, Smoothmotion, Lichtsensor, Colour, Dolby Vision Atmos, Sprachsteuerung, EZPlay. Diagnose an error code and find the fix.
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: Hisense support — TV troubleshooting
Confidence: 80%
Verified Aug 9, 2026
Wi-Fi connection failure
wifi-connectThe purifier cannot connect to the app or Wi-Fi, blocking remote control and monitoring.
Source: Hisense support — TV troubleshooting
Confidence: 80%
Verified Aug 9, 2026
Remote control not working
remote-not-workingThe soundbar remote does not respond, often due to dead batteries or a pairing issue.
Source: Hisense support — TV troubleshooting
Confidence: 80%
Verified Aug 9, 2026
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