i have a humidifier V3100. it used to worked just fine. i haven't used it in a while. It was store in it original box. I tryed to used it today and the water run out from the bottom hole. it made a mess. i can't figure out how to make it stop leack ing when the tank is on the humidifier. It dosn't leack when the tank is close outside the humidifier. I download the manual and everything seems to be fine, no piece missing or dammage. Please help