Please check if the following happened
The humidifier corroded; the machine cracked caused by using the essential oil, falling to the hard surface, the rupture of water tank cap, loose water tank cap
The outlet is flooded Please keep the outlet away from water. We recommend you clean the humidifier, and let it air dry for two days. The humidifier should be working.
Here is an instruction for cleaning.
If the leaking still occurs, the humidifier may be defective. Please contact TaoTronics Support Team for Solving it!