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Have same issue with 3 year old Frigidaire dehumidifier purchased in 2012. Must unplug to stop compressor running with power switch turned off. Unit gets hot and smells. Unplugging creates arcs at outlet since unit is pulling a lot of power. Plugging back in after some hours will make it appear to run normally and again remove moisture but it will not shut off when the fan goes off (humidistat bad?) and the set-point is reached. Cannot leave plugged in due to safetty/fire/overheating concern. Have not found answer on this forum or any other so far.
Hi, There are many reasons why a dehumidifier willnot work or collect water. Here is a tip that I wrote to help people to figure out what is going wrongwith their dehumidifier
run it without the filter with a 1 part vinegar 4 parts water. then try it with a clean or new filter. You may need to run it a few (5-6) times before it stops shutting off by its self.
Well to knowledge the problem 40 percent is dry. means your basement is great. humidity should be 30/50 percent 50 grows mold. also if it runs for a min the auot shut off is activating. check this first.
I have had the same problem. Following the advice of someone on these pages I opened the machine up and checked the fan with a meter. On my model (the 404) it has two settings so two leads; one seemed okay, the other was dead. I checked the circuit where the fan connector plugs in and I got that both speed settings were supplying plenty of juice. Apparently the fan motor is dead. A replacement runs $79 at http://www.appliancefactoryparts.com/. I ordered one; we'll see what happens.
Hi Journeay,
The dehumidifier is telling you the humidity in your house is 45-50 % so it will not run until the dehum thinks it is over 60%. When you set a humidity it will show the setting then it will tell you the humidity in the house. Sometimes they are wrong, and somtimes the humidistat goes bad. I would suggest setting the dehumidifier lower than the 45-50 and see if it comes on. This time of year the humidity is usually low depending on your location. I have already put mine away for the winter. Please let me know if you have any other questions and I really hope this will fixYa. If not just let me know.
Mike
When you push the power button, the blower fan comes on. In a few
minutes you should hear a second "click"--that is your compressor
starting. Do you hear that second click?
The compressor is located in the rear bottom on the right side looking at the machine. After you press the start button and the blower fan comes on, bend over near the back of the unit and listen for the "click".
I went back and rechecked. If the fan mode is selected, you can only set the fan at one of the three speeds. If you leave it in the fan mode, the dehumidifier will not come on.
Once the fan speed is selected, it will run at that speed in the dehumidifier mode. The fan will keep running, even when the dehumidifier (compressor) shuts down.
The only way to get it to turn off is to use the clock setting, which either selects how long it stands-by before starting , or how long it will run before going back to stand-by. DeLonghi calls it "stand-by," we would call it "off." DeLonghi calls unplugged "off."
I've never turned mine to stand-by, because it will never get my entire house down to 30% humidity (I have it where my air handler returns air to the basement). I live in the greater DC Metro area, where 75% humidity is considered extremely dry.
Apparently the normal mode of operation is fan on unless awaiting a clock start, or encountering a clock shut-down; either condition puts it into the "stand-by" mode.
you might have a compressor problem, in which it won't be economical to repair. if you are using the unit in cold weather then it just might be that there is not enough humidity in the air and it is cycling fast.
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