ENVEL USB C auf 3 — Error codes & fixes
Troubleshooting guide for the ENVEL USB C auf 3. 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: YouTube — repair & troubleshooting videos
Confidence: 60%
Verified Aug 9, 2026
Not charging
not-chargingThe toothbrush does not charge, often from a dirty charging contact, a worn battery or a faulty base.
Source: YouTube — repair & troubleshooting videos
Confidence: 60%
Verified Aug 9, 2026
App not syncing
app-not-syncingThe companion app does not sync with the device, often due to a network or app issue.
Source: YouTube — repair & troubleshooting videos
Confidence: 60%
Verified Aug 9, 2026
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