Questions & Answers for: sonicare beeps charging

...to hear one beep. Do you hear two beeps followed by one? If yes, then your unit has been reset. Please leave it on charging for 24 hours and then use it again. It should be able to hold charge

sonicare hx9642/20 toothbrush making short humming noises and will tend to turn on on its own. How can I fix this? This happened to me as well. One long, two short beeps. Incessantly. Only happens ...

...sonicare on the base and press the button, you'll hear one long beep and 2 short beeps. That's the "reset" confirmation. What happens is that moisture gets into the sonicare from the top and affects ...

...sonicare on the base and press the button, you'll hear one long beep and 2 short beeps. That's the "reset" confirmation. What happens is that moisture gets into the sonicare from the top and affects ...

SONICARE BEEPING ONE LONG TWO SHORT same here. I just ordered a new one on ebay. I think it means it is dead, board issue or battery issue, cannot be charged.