Question about Frigidaire Dehumidifiers

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Why does Frigidaire dehumidifier LAD704DUL has ice on the coils?

Why do The coils have ice on them and no water in the bucket. Runs all day but no water?

Posted by Anonymous on

1 Answer

  • Official Brand Answer
  • 2,267 Answers

Hello Friend, thank you for your question!

I see that you have frost accumulating on the coils of your Frigidaire dehumidifier, LAD704DUL. Typically frost appears on coils either because your dehumidifier has been turned on recently or the room temperature is too low. Sometimes this is normal due to refrigerant rushing through the coils and usually it disappears within 60 minutes. However, if your dehumidifier is not removing moisture, then at this point your dehumidifier may possibly been experiencing a sealed system issue. Is your appliance still in warranty? If so, you might want to reach out directly to the manufacturer to determine the coverage on your dehumidifier and the procedures to any potential remedy in that regard. Hope this helps! - Z

Posted on May 19, 2014

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    SOURCE: I have a frigidaire LAD704DUL 70 pint dehumidifier. Last year it worked great. This year, it has not collected any water in the bucket. The motor runs, it is on CO setting but still no water. I have c

    If you have a dehumidifier that is not producing any water then you are wondering what you need to do to get this thing to work for you. In some cases you may be able to do something and in other situations there may be nothing that you can do.

    If you do not hear the compressor running and the unit says that the humidity in the room is higher then the setting, then you have a problem with your dehumidifier.

    A few things that can cause this are:

    The circuit board relay has gone bad...replacement of this board will often cost more then a new unit. This also is a very common problem with many dehumidification units.

    The compressor has failed...if you hear a buzz for a few seconds, every few minutes, then you have a bad compressor or at least bad start components on the compressor. Either way it again is a costly repair.

    If the compressor is running and the coils are not getting cold then you have a refrigeration system leak. Recharging or fixing these units is very difficult and is another costly venture compared to the price of a new dehumidifier.

    If the compressor is running but the fan is not, this also will cause low water production and continual freezing of the coil.

    If the compressor and the fan are running but the coil is totally blocked then you will get no water production. Air needs to be continually moved over the cold coil to get the water out of the air.

    If nothing is running, then you may also have a control board failure. Or the humidity sensor or humidistat has gone bad which tells the machine to run. If the sensor says that the humidity is low enough then it will never run.

    Also if nothing is running check the float switch or the bucket switch. Many of these switches are very touchy and if you do not have the bucket in place just exactly right it will not trip the switch to allow the unit to run. These switches often are more fragile then they should be and break easily. The good thing is that when available they are easy to replace and relatively inexpensive.

    There are some parts available for a few brands, but with the prices for most of the parts that you can replace running anywhere from 40.00 - 80.00 dollars, replacement parts with labor to install them, makes a repair more then the few hundred dollar cost of many of these dehumidifiers.

    As you can see there are quite a few things that can cause your dehumidifier not to work. Systematically go through the list and eliminate things to get to the bottom of the issue causing your problem and then decide if it is worth spending the money to try to fix the old unit. Only you can make that decision.

    Posted on Aug 14, 2012

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    I have a LAD704DUL frigidaire dehumidifier that will not shut off after being shut off, and not until the plug is pulled. Is this worth getting fixed


    Dear Peter Nicolle,

    according to the user manual the dehumidifier will not stop running for the following 5 reasons:

    • Windows or doors near dehumidifier are open to outdoors.
    • Area to be dehumidified is too large.
    • Air movement through dehumidifier is blocked.
    • Dehumidifier has been installed or restarted recently.
    • Dehumidifier is in the CONTINUOUS mode.
    You can find more information on the user manual on page 9 under the category DEHUMIDIFIER RUNS TOO MUCH.


    http://manuals.frigidaire.com/prodinfo_pdf/Edison/2020266a0220en.pdf

    Nov 30, 2014 | Frigidaire 70-Pint 2-Speed Dehumidifier...

    1 Answer

    I have a frigidaire LAD704DUL 70 pint dehumidifier. Last year it worked great. This year, it has not collected any water in the bucket. The motor runs, it is on CO setting but still no water. I have...


    If you have a dehumidifier that is not producing any water then you are wondering what you need to do to get this thing to work for you. In some cases you may be able to do something and in other situations there may be nothing that you can do.

    If you do not hear the compressor running and the unit says that the humidity in the room is higher then the setting, then you have a problem with your dehumidifier.

    A few things that can cause this are:

    The circuit board relay has gone bad...replacement of this board will often cost more then a new unit. This also is a very common problem with many dehumidification units.

    The compressor has failed...if you hear a buzz for a few seconds, every few minutes, then you have a bad compressor or at least bad start components on the compressor. Either way it again is a costly repair.

    If the compressor is running and the coils are not getting cold then you have a refrigeration system leak. Recharging or fixing these units is very difficult and is another costly venture compared to the price of a new dehumidifier.

    If the compressor is running but the fan is not, this also will cause low water production and continual freezing of the coil.

    If the compressor and the fan are running but the coil is totally blocked then you will get no water production. Air needs to be continually moved over the cold coil to get the water out of the air.

    If nothing is running, then you may also have a control board failure. Or the humidity sensor or humidistat has gone bad which tells the machine to run. If the sensor says that the humidity is low enough then it will never run.

    Also if nothing is running check the float switch or the bucket switch. Many of these switches are very touchy and if you do not have the bucket in place just exactly right it will not trip the switch to allow the unit to run. These switches often are more fragile then they should be and break easily. The good thing is that when available they are easy to replace and relatively inexpensive.

    There are some parts available for a few brands, but with the prices for most of the parts that you can replace running anywhere from 40.00 - 80.00 dollars, replacement parts with labor to install them, makes a repair more then the few hundred dollar cost of many of these dehumidifiers.

    As you can see there are quite a few things that can cause your dehumidifier not to work. Systematically go through the list and eliminate things to get to the bottom of the issue causing your problem and then decide if it is worth spending the money to try to fix the old unit. Only you can make that decision.

    Aug 10, 2012 | Frigidaire 70-Pint 2-Speed Dehumidifier...

    1 Answer

    My model is Frig. Dehumidifier, 70 pint. model # LAD704DUL. I hooked up the hose for continuous operation, but the bucket fills up too, even though water is definitely coming out of the hose. It...


    Check the float valve in the top of the bucket. It may be stuck in the UP position. If that the case, jiggle the float valve arm to get it to return to the DOWN position. That should solve the problem.

    Jul 10, 2011 | Frigidaire Dehumidifiers

    2 Answers

    Does not collect water in bucket but runs all the time


    Does it have a filter?
    http://whirlpool.custhelp.com/app/answers/detail/a_id/953

    also:

    "
    It may be that the humidity level or temperature in the room where your dehumidifier is located is too low.

    When the outdoor temperature is below 50 F, the indoor air will be dry even when the air inside is warm, therefore when it's cold outside the dehumidifier may collect little or no water.

    Air conditioners will also remove moisture from the room, even if it's hot and humid outside, resulting in little or no moisture collecting in the dehumidifier bucket.

    Some dehumidifiers have a deicer which turns off the compressor but keeps the fan running. When the compressor is off, moisture is not removed from the air. The deicer turns off the compressor when the room temperature is cold.

    Some dehumidifiers do not have a deicer. If the room temperature is low enough, ice may form on the evaporator coil. The ice prevents the dehumidifier from removing and collecting water. If ice forms on coils, unplug dehumidifier until ice melts and room temperature rises."

    Jun 21, 2011 | Whirlpool AD25BBK Dehumidifier

    2 Answers

    Dehumdifier not collecting water.


    It may be that the humidity level or temperature in the room where your dehumidifier is located is too low.

    When the outdoor temperature is below 50 F, the indoor air will be dry even when the air inside is warm, therefore when it's cold outside the dehumidifier may collect little or no water.

    Air conditioners will also remove moisture from the room, even if it's hot and humid outside, resulting in little or no moisture collecting in the dehumidifier bucket.

    Some dehumidifiers have a deicer which turns off the compressor but keeps the fan running. When the compressor is off, moisture is not removed from the air. The deicer turns off the compressor when the room temperature is cold.

    Some dehumidifiers do not have a deicer. If the room temperature is low enough, ice may form on the evaporator coil. The ice prevents the dehumidifier from removing and collecting water. If ice forms on coils, unplug dehumidifier until ice melts and room temperature rises.

    The filter (on some models) may be dirty or clogged. If so, clean the filter. For instructions on cleaning the filter.

    I hope this help to solve, if this answer solve it, remember to rate it. Good luck.

    Oct 01, 2010 | Whirlpool AD50USL Dehumidifier

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    It runs but does not suck moisture out of the air






    Hi,


    There are many reasons why a dehumidifier will not work or collect water.


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

    Dehumidifier is running but no water is in bucket

    heatman101


    -]]]]]]]]]]]]]]]]]]]

    Jul 04, 2010 | Haier HDN305 Dehumidifier

    1 Answer

    Are you supposed to put water in the bucket of the dehumidifier or is the water that is in the bucket now from using the dehumidifier? Dumb question I am sure. But I am renting and have never used one...


    The dehumidifier condenses the water on its coils and then it drips into the bucket. Dump out all of the water when the bucket is full. This model has a light that tells you when it is full. If the dehumidifier gets ice on the coils, it needs repair (low refrigerant).

    I hope this helps.

    Aug 10, 2009 | Kenmore 54701 Dehumidifier

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    Frigidare Dehumidifier will not turn off


    Pressure and temperature is directly related with refrigerants in the system. Ice building on part of the coils shows that the pressure inside the system is low and the system has lost some of its charge. Very low humidity with a low ambient temperature will also cause such a problem.

    Jan 10, 2008 | Frigidaire FDL45P1 Dehumidifier

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