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. ! }. i3 G; ?- l ( U' p3 f1 k- i" O" I4 MSolution: turn off water supply and take the humidifier apart and clean it will stop the leaking.1 Y% g3 H0 j c6 t, f
3 P6 } s% L0 m! D: B 6 ^ k3 U# Y- D2 | E+ a yOtherwise, find a professional or change a new set.