While you wait for answers, we may have found some information which could help you.
Click here for Dehumidifier Delonghi DemDelonghi dem 10 leaking water when full?
dead delonghi dem 10?
DeLonghi Dem 10 humidifier keeps stopping?
my Delonghi DEM 10 is completely dead any ideas?
DeLonghi DEM10 fan not spinning?
Does changing 1uf capacitor fix abnormal defrost light behaviour?