Question about DeLonghi DDE50E Dehumidifier

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Really thick ice on back of dehumidifier

I have had my dehumidifier for three years and never had this problem. I use it in the bottom level of my house and run it year round. I live in Louisville, KY so it generally runs the hardest in the summer months. This past week I went to empty it and the back was covered in ice. The temp downstairs has been the same the past 3 years - anywhere from 60-70 degrees. Why has it frozen up now? Can I use it again after I get all the ice off? The ice was inside the coils and the coils look to be somewhat rusted. It is not really possible to raise the temp downstairs or the rest of the house is too hot. I usually set the dehumidifier to 45%. Thanks for your help. Laura

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It is now frozen because the humidistat, which controls the on/off cycle, is starting to age and forgetting to turn off the dehumidifier. Try removing the humidistat and, using compressed air, blow it out thoroughly of any dust. Then spray the rotary control area, including electrical parts, with WD-40. Then, blow dry again with the compressor and try again.

Posted on Jun 24, 2007

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Posted on Jan 02, 2017

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