20 Most Recent DeLonghi DE400P Dehumidifier - Page 4 Questions & Answers

The automatic shutoff might be defective or the leak comes from the water reservoir.

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Should have bought a Vicks! My red light goes OFF! No it easy. Unplug the unit for 10 minutes. Fill up with water while waiting. Turn it on! If the red light still come on then you gots scale or build up inside that needs to cleaned out. Follow or call manufacture on how to clean unit... If you need further help, reach me via phone at https://www.6ya.com/expert/steven_b77d19396bfe2249

It could be that the fan / fan motor has seized or jammed. Have a look through the vents and see if you can spin the fan. If not, you will need to strip the machine. Try lubricating the bushes / bearings. Often on these type of units, the vapours dry out the bushes and then they get tight and jam the fan.

Is it the DD50P?

If it is then the Manual can be downloaded from the little PDF sysmbol, top right at the following link.

http://www.delonghi.com/us_en/products/dd50p/

Could you please confirm if this is or isn't your model and I'll look into what spares are available and the correct Manual if this isn't your model.