Question about Fedders A7DH65B2A Dehumidifier

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Manual Unit room sensor holds at 30--- room sensor may be bad but where is it in the unit and is it replaceable?

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I have a danby dehumidifer model number DDR6011R It keeps saying the humidity is only 30..(Which I know it's higher) so the compressor isn't kicking on. Help??


It sounds like the humidistat sensor failed on the unit. You'll need to replace that sensor to be able to get the unit operational again

Sep 10, 2016 | Danby Dehumidifiers

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We don't have a manual, it's a new unit but never been used. We can't figure out what all the control panel buttons mean. Help please.


if its a newly mfg unit then yes the fans gonna run all the time , that's done to increase efficiency , if you hold down on arrows then you should be able to adjust the rooms humidity level, the default screen is the actual rooms humidity level , if you hold down mode button , this will cycle thru some timer modes that ind on the display

it should turn itself off when bucket is full , this even stops that fan from running most times

May 19, 2015 | Dehumidifiers

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Have a DDR583R with E-1 flashing blue, did not D-Humidify. Took unit to repair shop, 4 days later they called an said unit working fine, no repairs needed, cost 20.00. Came home, plugged unit in, works but...


If you're operating in area that where the ambient air temperature is between 40 & 60 degrees F. Like in a basement, where the air temp at floor level is cooler than at shoulder level, this could cause that reading. As dehumidifiers, unless they are Low temp models, will respond that way. Raising the unit up of the floor on to a sturdy table, counter top etc, that can handle the weight of the unit, plus a full bucket of water, will generally solve that problem.

If the unit, in all other facets is working as it should, do worry about it. If a sensor had gone bad and wasn't replaced, the unit wouldn't function at all. Also, keep in mind, that the repair shop's environment was different than yours.

Jul 13, 2011 | Danby DDR583R Dehumidifier

1 Answer

FAN AND COMPRESSOR START. HUMIDITY SET AT 30, ALWAYS RUNS. NO WATER IS CONDENSED. PAIL STAYS EMPTY. CLEANED FRONT AND BACK OF COILS, REALLY ONLY FINS,CAN'T GET TO COILS WITHOUT HAVING TO DO A...


Rather than have you disassemble the cabinet to get to the coils, I want you to do an "At Home Test".

Move the dehumidifier to a bathroom that has a shower. Plug it in, Turn it ON and set the humidity level at 30%. Turn the shower on to medium hot (enough to generate some steam. Do Not turn On the bathroom exhaust fan. As you leave the bathroom close the door. Wait 15 minutes and return to the bathroom. Turn the shower OFF and inspect the unit's water collection bucket for water. If you find any, the unit is working as it should. If you don't find any water, it may be that the humidity sensor has failed or the air intake filter is clogged. In which case, remove the filter and clean it. If it's the sensor, unless you are really DIY savy, I'd recommend buying a new dehumidifier. As finding the part (your unit was made by Fedders), the cost of the part and the labor involved, to me, out ways repairing it.

Now, on the positive side ... If you saw water in the bucket after the bathroom test. It may simply be, that at this time, there is not enough humidity in the room air (even at 30%) to trigger the sensor. If the unit is in a basement, the air temp (60 degrees or lower) will affect it. As the temperature at floor level (where the unit is) is 5 to 8 degrees colder than the air temperature. Dehumidifiers don't work well in cold temperatures.

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

May 18, 2011 | Maytag M7DH45B2A Dehumidifier

1 Answer

I have a 50 series w/ digital humidity level readout. Recently unit reads the room at 30% humidity so it shuts off unless preferred setting is set to continuous. Can the sensors go bad that measure the...


If the humidity level is at or lower than 30%, the unit won't turn ON, until the reaches 35 - 40%. It's rare for the sensors to go bad. Just keep in mind, the dehumidifier is reading the humidity near the floor, not up at say, chest level. Humidity levels change every season, so this really would not be that unusual. Make sure that your clean the air intake filter regularly. Cleaning and wiping down the coolant coils would be a good idea, too..

Hope this helped you. Please let me know.

May 16, 2011 | Frigidaire FDF50S Dehumidifier

1 Answer

We've had this unit for about 4yrs and loved it so much, bought a second one for another room. This past fall, we shut the unit down for the season. We went to start it up again today, plugged it in and...


Be Safe or don't do it....

On the side with the lint screen, remove the five screws holding the top panel in place. The sensor that needs to be checked in mounted on the radiator fins. Remove the sensor and 4 pin connector. With a pin, remove the loose fitting housing the "sensor"...a circuit board that "shorts" with condensation...check corrosion and look for component damage on the oft chance the circuit board was damaged by some inappropriate poking or mechanical failure. Reassemble and replace sensor...

For a short life span...or out of warranty and only at your risk (IF have significant other or kids or pets or human DNA... don't do this...) .. guide wire through screen notch and attach to outer screen. Build fortress around exposed sensor and talk to insurance agent for a special rider...seriously be careful.



Did you? Clean screen and GENTLY clean fins of lint, etc....(vacuum's brush head should do the trick...)

Taking all appropriate safety precautions.

...


Here's the 100,000 (yen) tip....with humidifier unplugged, hold down the power button (green button in lower center) and plug in the appliance.

Watch the LCD screen as it conducts a self test...and wha...lah!.

Should have a working humidifier!

Mar 25, 2011 | DeLonghi DE500P Dehumidifier

1 Answer

The unit turns on, but indicates the room is at the lowest humidity setting (30%). Therefore, it won't turn the compressor on because it believes the room has reached the correct humidity. Any...


Hi,
The humidity sensor or the humidistat is probably the problem...
Replacing these can correct the problem, but may cost more then the dehumidifier is worth...

Here is a tip that I wrote to help people to figure out what is going wrong with their dehumidifier2_bing.gif.

Dehumidifier is running but no water is in bucket
http://www.fixya.com/support/r4662409-dehumidifier_running_but_no_water_in

heatman101

May 09, 2010 | Amana D565M Dehumidifier

1 Answer

I have a Goldstar GHD30 dehumidifer that I bought used last week. It's pulling 20-30 pints of water each day out of my basement so it appears to be working. The compressor only runs for 1-2 minutes at a...


yes cycles should be longer either that or the unit is keeping close to desired humidity. Also the unit is under sized 30 pint is for 400sqft. or 20 by 20 room. humidity should be 30/50 percent check your level desired room temp is 70 degrees but its a basemnt 60 works.

Jul 28, 2009 | Goldstar DH504EL Dehumidifier

1 Answer

M7dh65b2a dehumidifier is icing up


The clip that holds the sensor also rusted out on my M7DH65B2A (Rev-A-R) last year. How to reinstall the sensor with no clip? I used a pair of pliers to crimp/squeeze the sensor a bit. This makes it thin enough so that it could be positioned between a pair of coils, using a pair of pliers. I don't think this has ruined the sensor as the unit generally works well, except when room temperature drops into the low 60's farenheit. Best of luck.

Apr 30, 2009 | Maytag M7DH65B2A Dehumidifier

1 Answer

Amana 30 (looks like dk25) unit runs but coils freeze up


Most dehumidifiers have a defrost mode in which the compressor is turned off to give time for the frozen water to melt. The freezing problem ocurrs when the unit is used in very cold weather. Check your manual to see if this unit comes with automatic defrost mode. If it does, it would appear that it is not operating correctly and you can request warranty service. If no defrost mode is available, then your only option is to heat up the room in order to use the dehumidifer within its limit of operation. Some units can operate as low as 36 F, but most units cannot go that low. Find out what your unit's specs are from the manufacturers web site.

Jan 04, 2009 | Amana D530M Dehumidifier

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