Question about Frigidaire 70-Pint 2-Speed Dehumidifier ENERGY STAR LAD704DUL

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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

Nothing as yet other than pulling out the power cord.

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  • 67 Answers

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

Posted on Nov 30, 2014

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Posted on Jan 02, 2017

heatman101
  • 43501 Answers

SOURCE: dehumidifier

Hi,
Here is a tip that will help you with basic trouble shooting..

http://www.fixya.com/support/r3877515-dehumidifier_problems_dehumidifier

heatman101

Posted on Apr 28, 2010

heatman101
  • 43501 Answers

SOURCE: Frigidaire 70-pint dehumidifier won't work after winter

Hi,
No reset button on the compressor... but this tip may give you some clues as to what is or is not happening..

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

heatman101

Posted on May 05, 2010

  • 4736 Answers

SOURCE: We have a Frigidaire 70

This happens quite frequently. It''s due to a clog in the hose or the a clog in the hose connection tubing. If you unit has a float valve in the top of the bucket, be sure that it's not stuck in the UP position. To resolve clogging problem, do the following:

1. Turn the Master ON/OFF Switch to OFF and unplug the unit. Disconnect the hose from the unit
and check for clogs and remove them if necessary.

2. If no clogs were found in the hose, the clog is in the hose connection tubing. Use and 18"
long, plastic ZIP Tie, appropriately sized to fit in the hose connector tubing. Carefully insert the
Zip Tie or something similar (NO Wire coat hangers, though) into the hole and continue to push
it in until you reach a bend in the tubing. You will need to gingerly work it past this bend, until
the ZIP Tie either bottoms out or you run out of usable ZIP Tie. Then while rotating (Twisting) the
ZIP Tie slowly pull it out. As you reach the inserted end of the ZIP Tie, be prepared for some
water to follow.

That should solve the problem. Be sure the hose is no longer than 5 feet and that it slopes downward from the unit, with no kinks in it.

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

Posted on Jun 27, 2011

  • 4736 Answers

SOURCE: Hello, we are having some trouble with our

Generally, most humidifiers work best between 60 -80 degrees . There is a model that is called a Low Temp model, that's designed for low temperatures in basements.

As far as your problem is concerned, there are 5 basic, yet solvable reasons 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 manually
controlled unit, set the Manual Control 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
level
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
problem.

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.


I hope this helps you troubleshoot and solve the problem. Thanks for choosing FixYa.

Posted on Jul 27, 2011

chrispolkele
  • 4342 Answers

Our people make the difference

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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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    http://manuals.frigidaire.com/prodinfo_pdf/Edison/2020266a0180en.pdf

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    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.

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    Don, unless your dehumidifier is a Low temperature model, that very well may be the problem.
    The air temp in a basement at floor level is colder than that chest level. Dehumidifiers don't work well at temperatures at 40 degrees F or less. Raising the unit up off the floor on to a sturdy table, counter top, etc, that is strong enough to handle it's weight, plus a full tank of water, will generally solve the problem. The higher up you can safely put it, the better. Also, lower the humidity extraction level to 35%. As 50% is just not low enough in a basement application.

    Hope this helps you to solve the problem.

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    This happens quite frequently. It''s due to a clog in the hose or the a clog in the hose connection tubing. If you unit has a float valve in the top of the bucket, be sure that it's not stuck in the UP position. To resolve clogging problem, do the following:

    1. Turn the Master ON/OFF Switch to OFF and unplug the unit. Disconnect the hose from the unit
    and check for clogs and remove them if necessary.

    2. If no clogs were found in the hose, the clog is in the hose connection tubing. Use and 18"
    long, plastic ZIP Tie, appropriately sized to fit in the hose connector tubing. Carefully insert the
    Zip Tie or something similar (NO Wire coat hangers, though) into the hole and continue to push
    it in until you reach a bend in the tubing. You will need to gingerly work it past this bend, until
    the ZIP Tie either bottoms out or you run out of usable ZIP Tie. Then while rotating (Twisting) the
    ZIP Tie slowly pull it out. As you reach the inserted end of the ZIP Tie, be prepared for some
    water to follow.

    That should solve the problem. Be sure the hose is no longer than 5 feet and that it slopes downward from the unit, with no kinks in it.

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

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    Good Luck!

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