While charging on/off led is blinkink very light and not charging

Question

Braun Oral-B iO Series 3 Type 3769

Repair guides, disassembly, and troubleshooting information for Oral-B iO Series 3 Type 3769 electric toothbrushes. Identified by type number 3769.

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score 1 · Answer 1 · 2025-10-20T07:50:24-07:00

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Try replacing the battery in the toothbrush and check if that resolves the problem.

Here's a battery replacement guide that shows what to do.

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