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. - e; \' C* U) a* o+ O5 p4 v
- l2 W) K0 f. B# kSolution: turn off water supply and take the humidifier apart and clean it will stop the leaking. 8 _1 c5 N: C) ]7 E, P' A/ ^+ _6 ]# D% \5 i
; {" K* n) e* R: {Otherwise, find a professional or change a new set.