Vacant the water at the earliest opportunity, clean up the tank, and clean or switch the filter as required. The desiccant rotor also wants cleansing determined by your device’s specific specifications. Both equally Use a electronic humidistat to control and keep the humidity right down to 30% RH. Something below https://dstdehumidifiers.co.uk/case-studies/desiccant-dehumidifiers-in-cold-stores/