**Quick Fix: Fully recharge your Sonic Electric Toothbrush immediately!**
* **Check Brush Head Connection:**
* Remove the brush head.
* Ensure the metal shaft on the handle is clean and free of toothpaste residue.
* Firmly push the brush head back onto the shaft until it’s secure. A loose head significantly reduces vibration transfer.
* **Replace Brush Head:**
* Old or worn brush heads (recommended replacement every 3 months) can dampen vibration.
* Try a brand new, genuine replacement head to see if vibration improves.
* **Clean the Handle & Shaft:**
* With the brush head removed, rinse the metal shaft and surrounding area on the handle under warm water.
* Use a small brush (like an old toothbrush) to gently remove any dried toothpaste or debris that could be impeding the shaft’s movement.
* Dry thoroughly before reattaching the head.
* **Ensure Proper Charging Contact:**
* Check for any debris or moisture on the charging base and the bottom of your toothbrush handle that might prevent a good connection.
* Ensure the toothbrush is seated correctly and firmly on the charger.
* **Run Until Empty & Fully Recharge:**
* If the battery isn’t holding a charge well, try running the toothbrush until it completely dies.
* Then, charge it uninterrupted for at least 12-24 hours (consult your manual for full charge time). This can sometimes help recalibrate the battery.
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