Oral-B Pro 3 3500 — Error codes & fixes
Troubleshooting guide for the Oral-B Pro 3 3500. Diagnose an error code and find the fix.
Not charging
not-chargingThe toothbrush does not charge, often from a dirty charging contact, a worn battery or a faulty base.
Source: ProductDB new-categories research catalog
Confidence: 90%
Verified Aug 8, 2026
Weak vibration / motor fault
weak-vibrationThe brush vibrates weakly or stops, often from a worn motor or a low battery.
Source: ProductDB new-categories research catalog
Confidence: 90%
Verified Aug 8, 2026
Battery drains quickly
battery-drainThe laptop battery depletes faster than expected, often from background apps or an aging battery.
Source: Apple Support — iPhone troubleshooting
Confidence: 80%
Verified Aug 9, 2026
Brush head worn
brush-headThe brush head is worn and needs replacing.
Source: Apple Support — iPhone troubleshooting
Confidence: 80%
Verified Aug 9, 2026
Toothbrush won't turn on
not-turning-onThe electric toothbrush does not turn on, often due to a dead battery.
Source: Apple Support — iPhone troubleshooting
Confidence: 80%
Verified Aug 9, 2026
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