Question about DeLonghi DE400P Dehumidifier

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Delonghi de400p The bucket is bone dry and no water is being pumped through the drain hose. this unit is almost 1 year old. I have the humidity set for 45% the fan works and im not getting any error codes. why did the unit stop working all of a sudden???

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  • ajays56 May 12, 2009

    The unit is 13 months old and is not driving any water (neither the bucket nor the pump).... the fan is running continuously...

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Same thing happend to me. I wasnt sure if it was the settings or me. I unplugged it for awhile, read thru the instructions turned it back on setting it according to the instructions and it began to work again. Not sure if it had to do with the unit being off for awhile or I entered the correct settings. Im just happy it began to run again

Posted on Sep 04, 2008

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1 Answer

My dehumidifier bucket fills and wont drain thru the drain hose


* Brand and model# needed for specific instructions.
*** following is for the Kenmore dehumidifier ***
* Check your warranty and call for service.
*** The following is for information only ***
* I had one of these dehumidifier. I've used both the drain bucket by itself and well as the hose attachment.
* the bucket has a hose cap at the bottom to allow a typical garden hose to be attached. Remove the cap and attach the hose.
* If you want to use just the bucket then you will need to remove the garden hose and re-cap the bucket. Otherwise the water will just drain on the floor. You can find a replacement cap at any hardware or garden shop.
* There is a sensor switch under the drain bucket. This senses if there is a bucket present and it will turn off the unit once it's full of water.
*** The bucket must be present for this dehumidifier to work ***
* You must place the bucket in the right position for the unit to come on. The attached hose must move freely up and down to prevent the bucket from being weighed down and turning off the unit as it thinks the bucket is full. Lifting the hose a bit up and down will give you an idea if it's too heavy.
* Final; there is an adjustment knob in the front to determine how dry the air you want. I've used this unit to dry out wet carpets in a room so it's set at max and usually takes about 1-2 days to dry out a room (in Hawaii with 60% humidity). You will need to set this up and adjust it for your purpose.
Aloha, ukeboy57

I found the following vids on you tube;
https://www.youtube.com/watch?v=VhLv0xR9-Ag
https://www.youtube.com/watch?v=EmWuaIG8fS8
https://www.youtube.com/watch?v=XOh4BztkIEo
https://www.youtube.com/watch?v=Zb2rj-xWE9A
https://www.youtube.com/watch?v=Zb2rj-xWE9A

Jul 03, 2018 | Dehumidifiers

1 Answer

I've done all the things that have been asked.. it was draining just fine.. when I came back from vacation.. it only drains into the bucket.. HELP.


First I'm not a Kenmore Tech.
* Check your warranty and call for service.
*** The following is for information only ***
* I had one of these dehumidifier. I've used both the drain bucket by itself and well as the hose attachment.
* the bucket has a hose cap at the bottom to allow a typical garden hose to be attached. Remove the cap and attach the hose.
* If you want to use just the bucket then you will need to remove the garden hose and re-cap the bucket. Otherwise the water will just drain on the floor. You can find a replacement cap at any hardware or garden shop.
* There is a sensor switch under the drain bucket. This senses if there is a bucket present and it will turn off the unit once it's full of water.
*** The bucket must be present for this dehumidifier to work ***
* You must place the bucket in the right position for the unit to come on. The attached hose must move freely up and down to prevent the bucket from being weighed down and turning off the unit as it thinks the bucket is full. Lifting the hose a bit up and down will give you an idea if it's too heavy.
* Final; there is an adjustment knob in the front to determine how dry the air you want. I've used this unit to dry out wet carpets in a room so it's set at max and usually takes about 1-2 days to dry out a room (in Hawaii with 60% humidity). You will need to set this up and adjust it for your purpose.
Aloha, ukeboy57

I found the following vids on you tube;
https://www.youtube.com/watch?v=VhLv0xR9-Ag
https://www.youtube.com/watch?v=EmWuaIG8fS8
https://www.youtube.com/watch?v=XOh4BztkIEo
https://www.youtube.com/watch?v=Zb2rj-xWE9A
https://www.youtube.com/watch?v=Zb2rj-xWE9A



Jun 28, 2018 | Kenmore Dehumidifiers

1 Answer

Why would the system keep running, all the time, filling up bucket, then leaking onto floor? What is my next step?


There is supposed to be an auto-shutoff float in the bucket to prevent overfilling of the bucket. You have either removed it or it is defective. The fact that it runs constantly has more to do with the humidity and the setting that you have the unit set to, Obviously there is adequate humidity in the space or the bucket would not fill. You need to look for, find, and repair the shut-off float, or, if possible, some units allow you to connect a drain hose either to the bucket or directly to the unit to drain the water to a drain. If you choose this option, remember that the hose must remain lower than the top of the bucket or it will not drain properly and the bucket will still overflow.

Jan 23, 2016 | Dehumidifiers

1 Answer

Our 580701 70 Pint Low Temp Dehumidifier is just under 5 years old. It is set up with the drain hose connector and has been set this way for several years. We have the humidity level is set at 35%. ...


You seem to have done most of all the right things, so that means the problem may be the basement. Along with a couple of other things. All are totally solvable.

1. Obstructed air flow. Maintain a minimum of 12 to 18" of clear air
space around the entire unit.

2. Cooling coils are dirty and need to be cleaned. Use warm water & dish washing liquid to
clean the coils. Rinse and wipe dry. Apply a light coating of WD40 to the coils.

3. The hose is partially clogged or the hose connection on the unit and it interior tubing may be
partially clogged. Turn the unit OFF and unplug it.
Using an appropriately sized, 18" long, plastic Zip Tie, carefully insert the tip of Zip Tie into the hose connection and tubing. Continue to push it in until you reach a bend in the tubing. You will need to gingerly work the Zip Tie past this bend, until it either bottoms out or you run out of usable Zip Tie. Then slowly pull the Zip Tie back out while rotating (twisting) it. This will breakup any clogs. As you reach the inserted end of the Zip Tie, be prepared, as some water may follow. Reconnect the hose, plug the unit in and turn the Master ON/OFF Switch to ON. Set the humidity extraction level to 35% or Maximum if you have a manually controlled unit. Allow the unit to run, while you monitor it for any leakage.

NOTE: If you don't have a Zip Tie, you may use something similar ( i.e.a long pipe cleaner), but NO wire coat hangers


If none of the above solves the problem, it may be a case of the compressor needs to be recharged with refrigerant gas or that the humidity condenser sensor is failing. These things usually occur in units that are 5 years old or older. It's rare in a unit younger than that. But, it can happen.


I hope this helped you troubleshoot and solve the problem. Thanks for choosing FixYa.

Aug 09, 2011 | Kenmore 54701 Dehumidifier

1 Answer

My dehumidifier compressor runs and then shuts off, then runs and shuts off, continuously. The fan continues to run. It seems to be pulling water, though it's hard to tell how much because I have a...


Part of the problem may be that you have the humidity level set to high. The fan runs constantly to move the air around. When the unit senses a humidity level higher than what you have it set for, the compressor turns ON. Once it's ON, if the humidity level is short lived, it turns OFF.

Try setting the humidity level to the lowest possible setting. Usually, that 45%. If the humidity level in you home is higher than that, the compressor should turn ON and run until either the bucket is full or the humidity level reaches 45%. If this doesn't solve the problem, turn the Master ON/OFF Switch to OFF and unplug the unit from the wall outlet for 12-15 minutes. Plug the unit bakc in, turn the Master ON/OFF Switch to ON and set the humidity level at it's lowest setting. Allow the unit to run until it cuts OFF and check the bucket for water. Hopefully that 12-15 minute time out allowed the unit to reset itself.

Hope this helped you to troubleshoot and solve the problem. Please let me know. Thanks.

May 11, 2011 | Maytag M3DH30B2A Dehumidifier

1 Answer

Dehumidifier does not see to be collecting water, fan is running but no water from hose


It very well maybe, that you have the humidity removal set to high and it's not sensing any humidity to remove. For example, if you have it set on 65 - 70%, that's not how much humidity it's going to remove. It's the level of humidity it's going to maintain in your home. To remove moisture/humidity, the setting should be low, like 45%. As far as the fan running ... many units are designed that way, in an effort to help keep the air circulating and also to defrost the cools.

If you want to test the unit, to see if it's working properly. Place the dehumidifier in the bathroom and set it at 50%. Turn the shower ON and let it run for 20 minutes with the bathroom door closed and without the exhaust fan running. And check on it after 20 minutes. More than likely, there' will be water in the bucket.

Also, there's routine maintenance that should be performed regularly. Clean the air intake filter, clean and wipe off the the compressor coolant coils, and check for clogs in the drain line of the unit.

Hope this helps you troubleshoot and solve the problem. Please let me know. Thanks.

May 06, 2011 | Amana D545M Dehumidifier

1 Answer

The dehumidifier will not run. It has power to the control panel but the "bucket full" light is flashing RED. We have a hose hooked up to the unit to drain the water and we have check the bucket...


Generally, the buckets on these units can be a little finicky. Especially, if the bucket is not installed properly. In other words, if the bucket doesn't trip the safety switch, when it's out in place and the "bucket full" indicator will remain on and the unit will not run. I suspect the hose attached to the bucket may have gotten the bucket slightly out of place and it's not triggering the safety switch. Turn the unit off, and reinstall the bucket,. Then turn the unit back ON. Make sure there is a little slack in the hose from the unit to the where ever you're draining the water to. In other words, the hose should not be pulling on the bucket.

As I said, they can be a little finicky, so be patient reinstalling the bucket. As it may take several tries, before you get it right.

Hope this helps solve the problem.

Mar 10, 2011 | LG Dehumidifiers

1 Answer

Does not collect water (also 2 years old).


the evaporater coils rot out and the freon leaks out. thats about all the longer these newer ones last now.

Jul 09, 2009 | LG LHD45EL Dehumidifier

1 Answer

Fan runs, all controls work compressor does not run.


It sounds as if the unit has lost it's refrigerant charge. Take to small appliance repair for confirmation, but it probably leaked out.

Jun 27, 2009 | Maytag M7DH45B2A Dehumidifier

2 Answers

Dehumidifier will not shut off


The auto shut off will work when you have your bucket in, as well when you have met the humidy level which you have chosen. Try changing the setting.

Sgt 48

Jun 04, 2008 | LG DH30 GoldStar Dehumidifier

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