Question about Frigidaire FDF70S Dehumidifier

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Frigidaire FDF70Sl dehumidifier power is on no light in setting area and motor wont running

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Posted on Jan 02, 2017

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SOURCE: 2008 Frigidaire 50 pint Dehumidifier from Lowes

You can test it out by disconnecting the power cord, wait five minutes and plug it back in. If it retains the original settings you are good to go. If you are wondering before purchasing a new unit ask before you buy.

Posted on Jun 29, 2008

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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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    Thank you for your inquiry, friend!

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    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.
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    Thank you for your inquiry, Lisa Cooper!

    I understand that the power light on your Frigidaire dehumidifier is not showing you the power light is on. It sounds like you could have an issue with your control panel. If your dehumidifier is running it could be that the light has failed. If you have a current warranty I would reach out to your manufacturer to see if they have a resolution for such an issue. Hopefully this helps. -Matt

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    Hi lynn crisp, thanks for your post!

    From my understanding you are having a challenging time with your Frigidaire dehumidifier shutting too quickly. It sounds like a possible problem with your sensor or control panel. Are you currently under warranty? I would contact your manufacturer for assistance to a proper resolution. -Matt

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    Hello lynn crisp, thank you for your post!

    From what you have explained regarding your Frigidaire dehumidifier it sounds like the sensor or control panel has become faulty. I would recommend resetting your dehumidifier and you can do that by unplugging the power cord for ten minutes. Is your dehumidifier under warranty? If so, you may want to reach out to the manufacturer for a resolution to the problem. I hope this information is helpful. -Matt

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    Good Afternoon Friend,

    I understand that there is no water coming out of your Frigidaire dehumidifier, model# FDF50S1. I also see that the filter is fine and the fan is running. If you have your dehumidifier set up to continuously drain through a garden hose, make sure there are no kinks or clogs in the garden hose. If that does not work, I suggest resetting your appliance, by either unplugging it or shutting the power off at your home's circuit breaker, for 3-5 minutes. Turn the power back on and try any cycle. I ask that you please follow up with a comment on the post, at your convenience, to advise if further troubleshooting is needed or if your appliances status has changed successfully.

    -Best Regards-

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    2008 Frigidaire 50 pint Dehumidifier from Lowes

    You can test it out by disconnecting the power cord, wait five minutes and plug it back in. If it retains the original settings you are good to go. If you are wondering before purchasing a new unit ask before you buy.

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