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. 0 j. l2 X, f1 a7 m+ o
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Solution: turn off water supply and take the humidifier apart and clean it will stop the leaking. : j3 g: X0 Q7 ~5 g2 X( m$ P" f% n' j2 K
! `/ {0 u8 ^9 [0 LOtherwise, find a professional or change a new set.