20 Most Recent Sonicare Philips Essence 5500 Toothbrush Questions & Answers

There is probably no fix for it, as it is not made to be repaired; if it malfunctions, you are supposed to discard it and get a new one. However, it is likely the problem is in the switch of the toothbrush. It may have some foreign matter inside that is causing the contacts to close when not in use, and that its why it is turning on all by itself. If you want to try something to fix it, I would get a tank of compressed air and a blower and try blowing the air into and around the off/on switch. It might fix it, or it might destroy it.

The best tutorial for repairing Sonicare toothbrushes is here: Repairing your Sonicare The problem is either a corroded circuit board or worn-out Ni-Cad batteries. Both repair solutions require soldering, but full repair is possible.

Turn it on and put it on the charger while still on. This should turn off toothbrush. And it stopped the blinking!

check attachment for wear /damage /debris

Charging

No, not for an average person to attempt. If you are skilled in electronics, soldering wires, then perhaps. See this video because the battery replacement is not a simple replacement operation.

probably dead battery, contact Sonicare

1. Pull the brush head away from the brush handle with a small amount of force to release the connection. There will likely be a click and you will revel a metal prong that is the shaft that connects to the motor. The head is now detached. 2. Fit a brush head by pushing the metal tip of the brush motor at the top of the brush handle into the hole in the bottom of the brush head. As the two are pushed together there will be a click, the head is now attached.

Then the batteries or the motor are defective, test both.