Question about LG WM3431 Front Load Washer / Dryer

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Not working at all

There is a so called brand new LG WM3431 in my new apt. the hot/cold water tubes are correctly connected, and the power cord too. the machine can be turned on/off, and it works find when changing washing/drying choices. but the problem is, the machine won't start when I press the start/pause bottom. the screen on the right hand top shows "dE". I don't know what is the problem with the machine...

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DE stands for "drain error". The first thing the washer always does when started is run the drain pump for 2 minutes. If somthing is jammed in the drain pump (paperclip, bobbypin,) then the motor can't run and you get the error. Also if the drain hose is blocked or the boot from the bottom of the tub to the drain pump assembly you get the same thing. Check the filter basket (behind the door in the lower left of the front).

Posted on Jul 29, 2008

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The door latch is not working properly.  You will need to have this serviced by the manufacturers warranty.

Posted on Jul 23, 2008

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Lg tromm washer what does IE stand for?wash machine stops running and IE appears


Hi from retired Englishman in SW France,

LG's 'IE' stands for (water) 'Inlet Error'.

If you have checked that the hot and cold water taps are turned on fully and the hoses are not kinked or squashed at the back, it is worth while checking both the hot and cold water inlet filters. Turn the taps off and remove both hoses at the washer end. Inside each inlet port there is normally a little filter which should just slide out. Clean if necessary and replace each one and the hoses. If after turning the taps back on there is no improvement, the problem is symptomatic of a malfunctioning hot or cold water control valve. Sorry but it needs a service call and a check that it isn't the control PCB ;-0(

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Cna you remove water line feeding hot side to make sure it has correct flow. It could have something blocking inside of water line. And check hot inlet side on faucet to make sure it is open and not blocked.


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Open following link to view how recirculation system looks:
http://waterheatertimer.org/Water-heater-recirculation-system.html

Ordinarily the cold water line is used to complete recirculation loop.
There is no reason why you cannot run separate line back to water heater instead of using cold water line.
The Grundfos system comes with crossover piece that connects hot-and-cold lines at furthest faucet.
Instead of connecting between hot-and-cold line, simply connect hot to your new hot water return line.

When your new line arrives back at water heater, it must connect to cold water inlet so return water is directed to bottom of water heater.
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Nor is it best to use extra plug on top of tank to install new water inlet, unless you also install dip tube that directs water to bottom of tank.
http://waterheatertimer.org/How-it-works.html
In the case of tankless water heater, return line must be connected to cold water inlet also.

Add a comment for more free help.
Also take advantage of fixya expert assistance live.
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Tanks are marked with Hot and Cold.
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Pipes on top of tank: cold water enters tank and is sent to bottom of tank in a long tube called the dip tube. This means the cold is on the bottom since hot water rises to the top. The hot water exits top of tank.
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How to resolve "PF" power failure on an lg WM3431HW Hello, I have an LG WM3431HW which is a combo washer/dryer. It is around 4-5 years old. It was working fine, then recently after completing the washing cycle and after a few minutes after the start of the dryer cycle. The dryer cycle shuts off without error (power to unit still on). We opened up the top and cleaned out all the lint caked on within the dryer duct and made sure lint trap off drain pump in front was cleaned. We started again and received a DHE error. We confirmed the dryer element was heating up fine. We also tested continuity to through the dryer thermostats and it had continuity. Also confirmed appropriate voltage over dryer element. We then took dryer duct fan off, turned it upside down and re-connected to make sure it was turning properly. It seemed to start and stop and it was also very hot so we thought there was a problem with the fan so we replaced the fan, and to be safe, also replaced the thermostat. Once that was done, a few seconds after the unit goes into the dry cycle, the cycle stops and shows a "PF" power failure error. We checked all connections we can find but everything looks connected correctly. We eye-balled the power board to see if there was any burn spots or anything else noticeable but nothing. We also eyeballed the power filter for the same but nothing looked out of the ordinary. The heating element was hot and confirmed the dryer fan duct was revolving, albeit for a short time. It seems that there is something tested after the heating element is started and the fan revolving, that is not working and which is telling the unit to shut off or "power failure". We had also unhooked the dryer thermistor to see if anything looked unusual but looked fine and re-connected. What else can I check and what part is likely to be at fault ? Since the wash cycle runs fine, I am hoping the power board is fine. Thanks

Jul 16, 2014 | LG WM3431 Front Load Washer / Dryer

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Additional details: Questions with more than 25 words are more likely to be answered well. 0 chars Your Question Preview No product selected LG WM3431 Front Load Washer / Dryer How to resolve "PF" power failure on an lg WM3431HW Hello, I have an LG WM3431HW which is a combo washer/dryer. It is around 4-5 years old. It was working fine, then recently after completing the washing cycle and after a few minutes after the start of the dryer cycle. The dryer cycle shuts off without error (power to unit still on). We opened up the top and cleaned out all the lint caked on within the dryer duct and made sure lint trap off drain pump in front was cleaned. We started again and received a DHE error. We confirmed the dryer element was heating up fine. We also tested continuity to through the dryer thermostats and it had continuity. Also confirmed appropriate voltage over dryer element. We then took dryer duct fan off, turned it upside down and re-connected to make sure it was turning properly. It seemed to start and stop and it was also very hot so we thought there was a problem with the fan so we replaced the fan, and to be safe, also replaced the thermostat. Once that was done, a few seconds after the unit goes into the dry cycle, the cycle stops and shows a "PF" power failure error. We checked all connections we can find but everything looks connected correctly. We eye-balled the power board to see if there was any burn spots or anything else noticeable but nothing. We also eyeballed the power filter for the same but nothing looked out of the ordinary. The heating element was hot and confirmed the dryer fan duct was revolving, albeit for a short time. It seems that there is something tested after the heating element is started and the fan revolving, that is not working and which is telling the unit to shut off or "power failure". We had also unhooked the dryer thermistor to see if anything looked unusual but looked fine and re-connected. What else can I check and what part is likely to be at fault ? Since the wash cycle runs fine, I am hoping the power board is fine. Thanks

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