There is something loose in the bottom of my Crane Adorable Humidifier.

Sometimes during shipping, the water level sensor float and cap may detach from the humidifier base. This can be fixed very simply! The water level sensor float looks like a large white washer and the cap looks like a small plastic lid with a paperclip going through the top of it. Just place the water level sensor float onto the tall, thin peg towards the left side of the humidifier base. The cap can then be snapped in place atop that same peg.