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. # H& o# M/ E# x; ]# } D) g3 @) [1 y9 u2 CSolution: turn off water supply and take the humidifier apart and clean it will stop the leaking. , Y4 r9 t0 y a2 k ; ]- m9 h. Q$ |- p0 b) c) y, z; f( S& }4 }
Otherwise, find a professional or change a new set.