Our dehumidifier is about 3 years old and recently stopped working. The power is on and all the switches and settings seem to work BUT the dehumidifier does not stay on.
If you pull the water reservior out and slide it back in right away the unit will turn on and sounds to be working properly but it shuts off within a minute or so.
Any advice would be greatly appreciated as our basement is starting to smell moldy again and we would rather not put more money into a new unit.
Most likely the fan motor has broken. Without the fan, the compressor will overheat. There is a safety device inside that automatically shuts off the compressor to keep the overheating from destroying it. Check to see if you can feel air movement in the front or back of the unit while it is running. If not, then the fan motor has definitely broke. I had this exact problem on mine.
If you take the unit apart, you will find a parts list inside the unit. It will be inside a small plastic pouch. You can order a new fan motor from Sears. The cost is $30 plus shipping.
You will have to move the condensing coil in the front out a bit in order to exchange the motors. Just be careful not to break any of the copper lines. They are copper so they will flex quite a bit without breaking. Still, use caution. If you break the lines, all the refrigerant will leak out and your unit will be useless.
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Have same issue with 3 year old Frigidaire dehumidifier purchased in 2012. Must unplug to stop compressor running with power switch turned off. Unit gets hot and smells. Unplugging creates arcs at outlet since unit is pulling a lot of power. Plugging back in after some hours will make it appear to run normally and again remove moisture but it will not shut off when the fan goes off (humidistat bad?) and the set-point is reached. Cannot leave plugged in due to safetty/fire/overheating concern. Have not found answer on this forum or any other so far.
Hi,
There are many reasons why a dehumidifier willnot work or collect water.
Here is a tip that I wrote to help people to figure out what is going wrongwith their dehumidifier
Check to see if the styrofoam is still in the lever of the shut off arm. It's atop the water reservoir. If there is nothing there it will not float causing the arm not to shut off.
Approached unit with air of trained appliance repair professional. Found Chinese-made product of vastly inferior quality, began series of tests, moving on to systematic disassembly finally sledgehammering the unit thence noting it failed to improve performance. resolved to not buy junk made in China or elsewhere. I've been "fix-ya'd" all right! Over and out.
Factory Default Setting:
When the unit is first connected to a power supply, the
electronic circuit board will automatically default to the
following factory settings;
Mode: Dehumidifier
Humidity Set Air Value:60% RH
Fan Speed: = Low
NOTE: In the event of a power failure or the unit is
switched ‘Off’, the most recent settings are retained and
restored once the power is switched “On”/resumed.
IMPORTANT NOTE: Depending on the ambient humidity
conditions, when power is restored or switched ‘On’ the
dehumidifier may not start automatically under the factory
or custom (see page 7) default setting. This is an indication
that the ambient RH% level of the surrounding environment
is lower than the current default setting and it
may be necessary to select a lower set RH% value.
If everything is clean on the coils and the filter is clean it should work. I would contact LG because they have a 5 year warranty on these dehumidifiers. Make sure that you have your reciept. Usually what they will do is locate a shop near you and it can be serviced there. LG will pay the bill. Or if there is no local shop they will send you a service tag for your old unit and ship you a replacement unit. Contact LG and explain this problem to you. Everything should be covered under warranty still.
The unit turns on but shuts off within 2 mins. The fan motor is working .
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