20 Most Recent DeLonghi DE400P Dehumidifier Questions & Answers

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Runs but no longer collects water

In the price range, most of the comparable united are the same under the skin. I like whirlpool since replacement parts are widely available.
before you condemn the unit, check three airflow and the temperatures of the suction and discharge tubes a few inches from the compressor. If the discharge is hot and the suction is cold, the circuit is probably still whole.
11/30/2014 5:49:00 PM • DeLonghi DE400P... • Answered on Nov 30, 2014
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E1 Error when it is turned on or plugged in

is there a solution for the E3 code?
10/16/2012 1:20:50 AM • DeLonghi DE400P... • Answered on Oct 16, 2012
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DH400P

I had a similar problem with the pump not working and the water flowing into the main drainage bucket instead. I had to disassemble the housing...not an easy project to reassemble...and found that the pump has its own smaller drainage tank with a float device, a pump pre-filter, the actual pump, then of course, more drainage tubes. The entire pump drainage system of components needed cleaned of accumulated, mucoid, slime! I cleaned the channel in which water flows into the pump's tank...located on the screen filter side of the dehumidifier. Then I moved to the other side of the dehumidifier and cleaned-out the entire pump drainage tank. Note that the pump's drainage tank only empties about 1/2 inch of water each time the pump activates. Thus, there is always alot of water in the pump's drainage tank. Thus, alot of time for slime to accumulate. Next, I cleaned off the float mechanism. I then cleaned-out the pump's pre-filter. Cleaning out the pump's pre-filter was paramount to the pump functioning properly and quietly! I checked that my pump was properly installed and NOT rubbing against its mounting so that it operated quietly. I added fresh water to the pump's tank several times to insure that the pump was working properly and that all slime was eliminated. Finally, I reassembled the housing...not an easy task! My pump now functions like new. All this work had to be done to insure proper function of the dehumidifier's pump system. My dehumidifier is only 11 months old. It is still covered by the one year warranty, but it is too expensive to ship the entire unit, as Delonghi requires you to do at your expense for them to fix it under warranty. You can be assured that I will check for future slime build-up to keep my dehumidifier functioning properly. The dehumidifier works great, it's just that it's high maintenance.
6/24/2012 11:22:16 PM • DeLonghi DE400P... • Answered on Jun 24, 2012
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Hi I have a delonghi

What I found was that the evaporator coil has steel endplates that flake rust off into the resevoir. This clogs and destroys the pump.
6/7/2012 2:08:16 AM • DeLonghi DE400P... • Answered on Jun 07, 2012
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Everything is running, but blinking

Hi,
The E3 error indicates that a sensor has failed.
The part from DeLonghi costs about $200.
If the product is under warranty, I would suggest calling the manufacturer for replacement part.
Thanks for using Fixya.
Good Luck and have a nice day.



1/24/2012 12:00:03 AM • DeLonghi DE400P... • Answered on Jan 24, 2012
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There is a loose tube in the bucket/fill tub area

If you look above it, there is a gray nub. Slide the tube onto it and it should fix the problem.
11/23/2011 3:53:12 AM • DeLonghi DE400P... • Answered on Nov 23, 2011
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Just received tne unit with

If you look above the tubing, there's a little gray nub/cone thing. Slide the tube onto that and it should fix the problem. If you're trying to use the pump instead of the collection bucket, there are good directions in the manual.
11/23/2011 3:51:39 AM • DeLonghi DE400P... • Answered on Nov 23, 2011
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I have DE400P and water

There's a small gray nub attached to the plastic above it. Slide the tube onto it and it should fix your problem.
11/23/2011 3:49:21 AM • DeLonghi DE400P... • Answered on Nov 23, 2011
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When I take out the

There's a pointy gray nub above the end of the tube. Slide the tube onto that and it should fix the problem.
11/23/2011 3:48:27 AM • DeLonghi DE400P... • Answered on Nov 23, 2011
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When i take out the

If you look at the gray plastic part at the top, there's this gray nub thing. Slide the tube onto that and your problem is solved.
11/23/2011 3:46:07 AM • DeLonghi DE400P... • Answered on Nov 23, 2011
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When I plug in the

Hi,

Here is a tip that explains what can be happening to make the dehumidifier showthat the bucket is full when it is not.

Dehumidifier Problem It shows Bucket Full

heatman101

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8/13/2011 5:02:05 AM • DeLonghi DE400P... • Answered on Aug 13, 2011
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D400P manual

First of all, here is a direct link to the User's Manual for your model of dehumidifier:

http://web1.dlservice.org/dlservice/dataload/istruzio/A2-5748013200.pdf


To view the Owner's Manual with Operating Instructions just use your mouse to click on the link, which is the underlined and highlighted text just above. This will open a new web browser page automatically for you and allow you to view the information at the website indicated and the contents of the Owner's Manual.

You may need ADOBE READER installed on your computer to read PDF documents.
You can download this free at WWW.ADOBE.COM if necessary.
Click on the DOWNLOAD ADOBE READER button on right side of the ADOBE home page when you get there, then follow the onscreen instructions to install the software on your computer.

I hope that was helpful to you, good luck and take care.

If you choose to rate this solution by clicking on the YES THIS WAS HELPFUL icon, I thank you very much for your time and consideration.

Joe.
7/27/2011 10:57:19 PM • DeLonghi DE400P... • Answered on Jul 27, 2011
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runs but no longer collects water

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