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.
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Re: Really thick ice on back of dehumidifier
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.
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I have the same problem, just started it after not using it for the winter and it runs and runs and no water. I believe the coolant has leaked from the sealed system and there is nothing you can do. I've had it for 1 year and it has a 5 year warranty. I know from experience, this is the 3rd dehumidifier that I have had this problem with, all different brands. Call for service, I am betting you have not had it very long.
If this is dripping and making a water problem yep it needs some insulation on it as long as everything else is working OK. If it seems short of capacity and or not dehumidifying the problem may be short of refrigerant. You don't mention any of this so I'm thinking its OK and not a problem just how it works in your application.
Hope this helps Please rate me accordingly and good luck.
First, make sure the rectangular filter on the back side is clean so air can flow over the coils freely. Try to place the dehumidifier on a table or something to get it off the floor. (floor level is cooler than head level) If you still have icing issues, replace sensor. (part #