Question about Kenmore 54501 Dehumidifier

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Humidity Control I have been using this unit with great success for just over two years, usually keeping the humidity control set at 55 - 65%. Just this week I wanted to decrease the setting from 65 to 60%, but there was no response when the decrease button was pressed. Only the increase button worked and now the setting is stuck at 70%! The unit is in the basement and the temperature is an even 68 degrees, in case that has anything to do with a solution. Thanks.

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Re: Humidity Control

Sorry but don't think that will work here. the control board has to be replaced. six screws hold it down. pickup new control board @ Sears. bring it your model #. if you get the board and the connectors don't match let me know.

Posted on Mar 28, 2008

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Re: Humidity Control

I had the same problem with my Kenmore unit, did as instructed above, and push buttons work OK. But still, no water.

Posted on Jan 11, 2008

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Re: Humidity Control

Sounds like the button may be broken. However, it could be a loose wire. Take the front off and see if any of the wires connecting the control panel and the unit are loose or disconnected.

If there is a ribbon cable connecting the control panel, see if any of the contacts are exposed when you disconnect it. If they are, you may be able to use a pencil eraser to clean them off. A service man from Sears did this on the control panel for my ceramic-top stove. He said if that didn't work then I would have to buy new control panels, which were almost the cost of a new stove!

Posted on Nov 18, 2007

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Fan always runs, speed doesnt change (low/high), setting humidity level doesnt this a control board or circuit board issue?

Verify the humidity reading with another device. Perhaps the humidity sensor is dirty or bad.

Another possibility is the switching device that runs the compressor and fan is shorted. If it's a mechanical relay, the contacts may have welded together, or if it's a solid-state relay, it's got a punch-through or meltdown in a device junction. My guess is it's a mechanical relay since you mention it used to click on and off and now you don't hear that. The relay may be on the control board, or it may be mounted separately - I don't have a photo or diagram of the inside of your model available.

Jun 25, 2015 | Dehumidifiers


Taking the Confusion Out of Using a Dehumidier

Many consumers are confused about setting the proper levels of humidity on dehumidifier units. And then think something is mechanically wrong with the unit. When in fact, over 70% of the time it operator error. That and a lack of proper routine maintenance are the problem.

The numbers on the LED screen represent the amount of humidity you want to maintain. Not the amount you want to remove. For example: If you set the level at 70%, which is rather high, more than likely the unit may start up momentarily and then shut OFF. That's because the setting is to high. Now, if you set it at 45%, the unit will turn ON and run until either the bucket is full and/or the humidity level has reached 45%.

Here's a good rule of thumb if you use your humidifier year round.

In the Winter you want to maintain a humidity level of 50 to 60%. The moister the air, the more comfortable it will feel. Plus, the humidity helps eliminate static electricity in the air.

Conversely, in the hot, humid Summer months, you want to keep the humidity level as low as possible (35% or less). Also, if you have ceiling fans, using them 24 hours a day, helps to move the air and generate a windchill, which fools your body into thinking it's cooler than what it really is. At the same time, it's saving on energy costs by not having to run your AC as much, because the dehumidifier is removing the humidity.

Just remember, the higher the setting, the higher the humidity level will stay. The lower the setting, the more humidity will be removed and the more comfortable you'll feel in the Summer.

And don't forget Routine Maintenance. Clean the air intake filter regularly. Clean and wipe down the refrigerant coils every 60 days. And don't allow water to remain in the collection bucket to long. As mold can build up in it.

Speaking of which, the water in the bucket, when fresh, is great for watering house plants. Because, when it's fresh, it's distilled water. No chlorine or minerals.

on May 04, 2011 | Maytag M7DH45B2A Dehumidifier

1 Answer

My Maytag dehumidifier is on for about a week and very little water gets out of the hose. The humidity rate does not go down. What is the probleme please? Thanks Bernard Parent

There are 5 basic, but solvable reason for what you described. Please pay particular attention to numbers 1 & 2.

1. The humidity extraction level is set to HIGH. Lower it to 32-35%. If you have a Manual Control
Unit, set the humidity extraction knob to Maximum.

2. Air intake filter is dirty or clogged. Turn unit OFF, & Unplug the
Unit, before removing to inspect & clean it, if necessary. If washed,
allow filter to completely dry before reinstalling. DO NOT operate
the unit without the filter.

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

4. 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.

5. Ambient air temperature at floor level is between 40 - 60 degrees.
dehumidifiers do not work well between those temperatures
(Unless, you have a Low Temp Unit). This applies mainly to
where the air temperature at floor level is colder than at shoulder
in basement applications. Raising the unit up off the floor,
onto a sturdy table, counter top, etc, that can handle the weight
of the unit, plus a full tank of water, will usually resolve this

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 has failed. 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.

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

Jul 06, 2011 | Maytag M7DH65B2A Dehumidifier

2 Answers

Product is about 6 years old. Used in basement. Worked great until this year. Now will run continuously but collect little water. What type of service do I need? This is a 65 pint per day Whirlpool.

There is some service that you can do ... Clean the filter and the cooling coils, regularly. Check the humidity level that you have the unit set on. It may be set to low and there's just not that much humidity in the air at this time, for it to collect. From what you said, it sounds like you may have it set on continuous cycle which could account for the lack of a lot of water in the bucket. In continuous run, the fan stays ON all the time. It's supposed to do that, so that the air is constantly moving and the sensor only turns the compressor ON, if it senses a humidity level 5% higher than what you have it set for. Try running the unit on a 1 or 2 hour cycle (if your model will do that) rather than continuous cycle.

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

May 18, 2011 | Whirlpool 75-Pint 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

I have a Goldstar Dehumidifier, model # GHD30y7 (S No 611TADR26946). It has worked well for a couple seasons. This season it will not stay running. It cycles on but shuts off after a couple minutes. I have...

Kreston, check the humidity level you have it set on. It may be that there is not enough humidity in the air for what you have it set on and it automatically shuts OFF.

Keep in mind, whatever level (percentage) you have it set on, is what it will maintain, not remove.
For example - if you have it set on 65%, that's pretty high level of moisture/humidity. But, it's not how much it's going to remove from the household air. Unless, the humidity level rises above 65%. Then it will only remove enough to maintain 65%.

If you want to remove humidity/moisture, you have to lower the setting below 45 to 50%, Try that and I think you'll meet with success.

Hope this helped you. Please let me know. Thanks.

May 05, 2011 | Goldstar DH304 Dehumidifier

1 Answer

Our dehumidifier turns on for only a few seconds, then shuts off.

Wendy, it's probably because the humidity level on the unit is set higher than the humidity level in the house. Keep in mind, the humidity level you set the control to, is not the amount extracted from the air. It's the level you want it to maintain. The higher the percentage level, the more humidity stays in the house. The lower the percentage level, the more humidity it removes, until the lower humidity level is reached. Then the humidifier will automatically shut OFF and/or the unit shuts OFF, because the bucket is full. Once it's emptied and replaced, if the unit needs to continue to extract humidity, it will start running again.

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

May 04, 2011 | Maytag M7DH45B2A Dehumidifier

1 Answer

Just wanna know how to set the temperature on it

dehumidifiers do not have a temperature control, rather, they have a humidity control. usually you set the humidity control to go off when the level of moisture in the room reaches normal (approx. 25-35% winter;38-55% summer). Best way is to run it at full on for 1 to 4 days (until you know the moisture level is how you want it), then turn the knob until the unit goes off . This will be the ideal setting. Goodluck<Macgivor

Jan 16, 2010 | DeLonghi DDE40E Dehumidifier

2 Answers

Humidity buttons don't seem to work.

the control board is a very simple design and it is to signal and switch options like fan speed, power on/off, humidity up/down and sets the on/off run time. Like above the board does collect dust,but the true problem runs deeper.

My unit was stuck in run mode with the fan speed, humidity and run timmer non functioning. the unit worked and the power switch turned it on and off. The display said ON

I removed the front cover (two screws) and slight pressure on the side of the cover to remove it. This exposes the control board. The control board can be removed by removing the 6 screws on the board. the cable can then be removed by pulling out the multi-pin ribbon cable.

I diagnosed that only two of the 5 push button switched were functioning. There was also dust and mold on the board. This board is poorly protected from the moist air entering the unit and the constand moisture causes corrosion on the board, the switched seem to be the weak link.

By using a multi meter I noted that only the power switch and the humidity down button were making contact when pressed. Now it all came together. I could turn it on and off. and if you press the humidity down button to the lowers setting (ON) means run all the time.

I used a elecronic contact cleaner and sprayed it into each of the switches. I wiggled it around and blew it out with canned air. It took a few wiggles and blasts but all switched then made contact. I the board back on and tested all functions and it was like new. The contact cleaner should keep it protected for a while. The non functioning of the switches works both ways. They can stick on also. This would explain most of the other control problems. These switched are common and can be picked up at Radio Shack. On a do-it-yourself bananna scale it was a 2 for me, but I had the tools and the spray. I am not sure what sears gets for the PC control board,but this is the issue and if they were to address this the unit complaints would drop greatly.

Feb 03, 2008 | Kenmore 54701 Dehumidifier

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