Philips Sonicare 4100

If something's not right

• Turns off; battery light flashes orange with two sets of 5 beeps

  Likely cause: The battery is empty

  Fix: Recharge the handle (maintenance task) — Put it on the charger.

  Source: manufacturer

• Replacement reminder light glows amber

  Likely cause: BrushSync has tracked enough wear on a smart brush head

  Fix: Replace the brush head (maintenance task) — Only works with BrushSync smart heads.

  Source: manufacturer

Maintenance schedule

1. Rinse the brush head

   every day · Easy

   Rinse the brush head and bristles after each use. Source: https://www.documents.philips.com/assets/20230828/14030664e3ee4fb59742b06c0124bd28.pdf

2. Clean the brush head connection and handle

   every 7 days · Easy

   Remove the head and rinse its connection and the metal shaft with warm water at least weekly; wipe the handle with a damp cloth. No dishwasher, microwave, chemicals or boiling water. Source: https://www.documents.philips.com/assets/20230828/14030664e3ee4fb59742b06c0124bd28.pdf

3. Recharge the handle

   every 2 weeks · Easy

   A full charge lasts about 14 days at two 2-minute brushings a day; a full charge can take up to 24 hours. Source: https://www.documents.philips.com/assets/20230828/14030664e3ee4fb59742b06c0124bd28.pdf

4. Replace the brush head

   every 3 months · Easy

   Every 3 months for best results (Philips). Source: https://www.documents.philips.com/assets/20230828/14030664e3ee4fb59742b06c0124bd28.pdf

   Uses: Philips Sonicare W2 Optimal White Brush Heads (4-Pack)

What keeps the Sonicare 4100 running