Question about DeLonghi DE500P Dehumidifier

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I have a delonghi de300p dehumidifer. The pump system has stopped working. I have reset the machine. Detached, and cleared the hose. Nothing gets it to pump. Any other ideas on how to make it pump again? Thanks, A

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6ya6ya
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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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SOURCE: Hi I have a delonghi

Check to see if the filter before the pump is plugged or restricted.I washed mine out with a bleach/water solution.

Posted on Jul 21, 2008

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short shadey
  • 421 Answers

SOURCE: I just came home to

there should be a pump somewhere near the pan, the pickup for the pump must go into the drain pan somewhere if you can find the pump, the nipple the hose attches to is close by please rate

Posted on Aug 01, 2011

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GENERAL INFO ERROR CODES PROBLEM PARTS SOLUTION E1 NOT ENOUGH WATER INLET VALVE CLEAN OR REPLACE E2 NOT DRAINING DRAIN PUMP KINKED HOSE--ADJUST HOSE TOO HIGH--ADJUST PUMP FAULTY--REPLACE E3 WATER TEMP TOO COOL THERMOSTAT STAT OPEN--REPLACE TIMER CONTACTS OPEN-- REPLACE HEATER OPEN--- REPLACE ABOVE FAULTS CAN ALSO CAUSE TIMER TO STALL(TIMER STOPS TO ALLOW HEATING OF WATER) TIMER WOULD STALL AT THE 2,5,7 AND 10 O'CLOCK POSITION E4 OVERFLOW SWITCH ACTIVATED CHECK FLOAT IS FREE CHECK LEVEL OF D/W SOAP- AMOUNT AND KIND WASHARM STUCK OR SPLIT E5 E6 & E7 TEMP SENSOR THERMOSTAT REPLACE ERROR CODES: DDW497W Problem Solution Error 1 Water supply is turned off Turn water supply on Detached / damaged pipe Replace / readjust pipe Low water pressure Requires min. 0.04Mpa water pressure Defective water fill valve Replace water fill valve Damaged or defective wiring Repair the wiring Defective pressure switch Replace pressure switch Heavy water usage elsewhere in home Use unit when water usage is at a minimum Defective electric control Replace electric control Error 2 Sump or filter is obstructed Clear the sump and filter Damaged/defective drain pump Repair or replace drain pump Drain hose is obstructed or detached Clear out/readjust drain hose/tighten clamps Defective pressure switch Replace pressure switch Damaged or defective wiring Repair the wiring Defective electric control Replace the electric control Error 3 Voltage is too low Minimum voltage of 198 V Damaged/ defective thermostat Replace the thermostat Damaged or defective wiring Repair the wiring NTC thermistor damaged/out of position Replace or readjust the thermistor Damaged/ defective heating element Replace the heating element Defective electric control Replace the electric control Error 4 Sump or filter is obstructed Clear the sump and filter Loose or damaged sump pump/drain pump Repair or replace sump pump/drain pump Drain hose is obstructed or detached Clear out/readjust drain hose/tighten clamps Defective pressure switch Replace pressure switch Loose heater element Tighten heater element mounting nuts Loose spray arm Tighten spray arm Damaged or defective wiring Repair the wiring Defective electric control Replace the electric control Defective Microswitch Replace microswitch Float- defective or not in the right position Reajust / replace float Error 5 Damaged/ defective power switch Replace power switch Damaged or defective wiring Repair the wiring Defective electric control Replace the electric control Error 6 NTC thermistor damaged/out of position Replace or readjust the thermistor Temperature is too low Temperature should be above -20? Damaged or defective wiring Repair the wiring Defective electric control Replace the electric control Error 7 NTC thermistor damaged/out of position Replace or readjust the thermistor Temperature is too high Temperature should be below 120? Damaged or defective wiring Repair the wiring Defective electric control Replace the electric contr

Nov 27, 2014 | Danby DDW611WLED

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Delonghi Dem 10 dehumidifier has stopped working - the 'operational light' turns on, but the fan does not start up so nothing happens.


It could be that the fan / fan motor has seized or jammed. Have a look through the vents and see if you can spin the fan. If not, you will need to strip the machine. Try lubricating the bushes / bearings. Often on these type of units, the vapours dry out the bushes and then they get tight and jam the fan.

Nov 08, 2013 | DeLonghi Dehumidifiers

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I have a DDE50E delonghi dehumidifer. I am using it to dry out my car interior after the sunroof was left open in a storm. The unit works and collects water but shuts off frequently. What settings should I...


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I hope this helped you, Terri. Thanks for choosing FixYa.

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I just came home to my DeLonghi (DEN500P) leaking on my basement floor. The bucket will not fit flush because the clear drainage tube has detached. I use the manual emptying method. I have the manual,...


there should be a pump somewhere near the pan, the pickup for the pump must go into the drain pan somewhere if you can find the pump, the nipple the hose attches to is close by please rate

Aug 01, 2011 | DeLonghi DE500P Dehumidifier

1 Answer

Bought a Delonghi dd50pc dehumifier last week for my basement and I have the hose going uphill and out a window but the pump always shuts off after 3-4 minutes, filling the tank instead. Now when I lay...


You really answered your own question. The pump in the dehumidifier only has so much water lift capacity. By trying to run it up and out, you have exceeded the maximum lift capacity. Using a floor drain or even a bathtub drain in the basement will probably work, as long as the hose is not to long.*
However, if you can use a floor drain, there's no need to use the pump function. You can use the continuous drain on the back of the unit. using the drain hose provided for that application.

*The 13 ft lift capacity noted in the Owner's Manual includes whatever length of hose you're using to get to the window. As there is some friction loss involved. But, they fail to point that out.

Hope this helps you and thanks for choosing FixYa.

Jul 27, 2011 | DeLonghi DD50P Dehumidifier

1 Answer

I was just given a DD50PC as a gift from a friend who did not have the accompanying instruction booklet. He told me to turn the unit on and let it work. I do not know what temp to set it at. It has to...


On a dehumidifer, you set the relative humidity, not temperature. Normally the humidity should be set within 40 to 60 percent humidity.

Click on this link for a copy of the manual for your machine. www.sylvane.com/images/.../delonghi-dd50p-dehumidifier-user-manual.pdf

Hope this helps you.

Jul 01, 2011 | DeLonghi DD50P Dehumidifier

2 Answers

Need a part


This appliance has 3-ft drainage hose and a 16-ft pump hose. I searched for a store that carry these hose, unfortunately, none of them sell a part or accessory for the DE500P.

Kindly click this link and verify if they could sell a hose:

http://www.nextag.com/delonghi-de500p/compare-html

Good luck.

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Delonghi de400p


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

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