It is possible that the shut-off valve was blocked by the cumulated white stuff. As a result, water supply can not be stopped even when water level is high. 5 g; P( N& H; L! R& T$ e7 }3 g/ v( g4 g2 o
Solution: turn off water supply and take the humidifier apart and clean it will stop the leaking. : J" |! I# |# G/ T/ e4 D 3 |. W. z9 c7 r$ t* P* X+ v8 w" z; a# |# h; K+ J) B: a6 k" Q }
Otherwise, find a professional or change a new set.