Question about LG WM3431 Front Load Washer / Dryer

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Lg front load washer fulls but would not wash

Fills with water but wash cycle does not start

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  • LG Master
  • 5,323 Answers

No agitation or spin? try these:

WATER PRESSURE SWITCH: This switch keeps your washer from overflowing. It is responsible for shutting off the power to the fill valve and redirects the power to the timer to start the washing machine running once the correct water level has been reached. Meter check ur water pressure switch?
You can test it with a meter and with a manual test? ( first locate it in the panel, it has a plastic clear tube hose going into it, remove that tube from its connection, now put another small tube or hose into the slot where it was and have the machine set to wash cycle with water in it. Blow into the other end of the tube.
If the machine starts to wash. the pressure switch is more than likely good
( No wash starts - then THE DIAPHRAGM IS BAD AND SWITCH HAS TO BE REPLACED) another test u can do is Remove the hose and submerge in water. Seal one end and blow air into the other end and look for bubbles. Check for an obstruction in the hose as well.
Or take the original hose tube and plug one end and blow into it AT the other end, it should be hard and have pressure, if it is easy to blow and u dont feel any pressure and it feels like the air is going out ?
Sometimes they get busted open or a pin hole and release air causing the water switch diaphragm to not open.


Motor Coupling If the washer won't spin or agitate the motor coupling might have failed. The motor coupling connects the motor to the washer transmission. It is designed to fail if the washer is overloaded in order to protect both the motor and
Drive Belt If the washer won't spin or agitate, check the drive belt. If the belt is broken or if it isn't tight on the pulleys the washer won't spin or agitate properly.

Drive Motor If the washer won't spin or agitate the drive motor might be defective. This is not common. Check all of the other related parts to this symptom before replacing the motor. If the motor is visibly burned out or physically damaged, replace it.

Stator Assembly If the washer won't spin or agitate the stator assembly might be burned out. The stator is essentially one half of a motor, it interacts with the tub by creating a strong electro-magnet. If the stator burns out the washer won't spin or agitate. Check the stator for continuity. This part is often misdiagnosed.

Transmission or clutch assembly not engaging due to going out or slipping.


Door or Lid Latch Assembly If the washer won't spin or agitate the lid switch assembly might be defective. This is a very common problem. The lid switch assembly can fail either mechanically or electrically. Test any electrical switches with an Ohm meter for continuity. The switches should have continuity according to their design.

Door Lock Motor and Switch Assembly If the washer won't spin or agitate the door lock assembly should be checked. The door lock can fail either mechanically or electrically. Test any switches on the door lock with an Ohm meter. The switches should have continuity according to their design.

Motor Control Board If the washer won't spin or agitate the motor control board might be defective. The motor control board provides power to the motor as well as direction and force. If the motor control board is defective the washer may not work at all or function properly.


CHECK THE CAM DOGS INSIDE THE AGITATOR, AS THEY WILL HINDER THE AGITATION PROCESS. However in G.E models the cam dogs are replaced with what is called an agitator coupler. (located at bottom of tub)
Remember to check the agitator spline as well for worn broken teeth.


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Posted on May 25, 2015

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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  • 210 Answers

SOURCE: LG FRONT LOAD WASHER WONT TURN ON

Hard call, double check the outlet to make sure it is good, take off the top lid. 2 screws at the back then push it back.
Check to see if you have voltage once the line has gone through the noise filter. If no power there, you have a bad filter. If you have filter, see if you can see a red led light on the main board. no then it is a bad board. If there is a light then then check to make sure it is not a loose connection.. Make sure all your connections are good to the front display.
After all that, if it still isn't working then it goes back to the main board.
tricky one there.

Sgt 48

Posted on Jun 18, 2008

MNTECH
  • 1543 Answers

SOURCE: Tub filling with water after cycle is finshed

If your washer fills with water, usually slowly, after the cycle is over you have a inlet water valve which is not shutting off completely. LG usually uses a separate valve for the hot and cold. If you turn off the valve where the hose comes from the house and observe for continued water fill, first one, the reopen it, then shut off the other you should be able to see which (hot or cold) is the culprit. If you post your exact model number I should be able to list the part numbers for you. The inlet valves I am speaking of are the part where the hoses connect onto your machine.

Posted on Nov 07, 2008

jgwhomeequip
  • 1902 Answers

SOURCE: LG WD-3243RHD Front Load Makes grinding, crackling noise

Check the motor at the bottom of the machine. Also check the timer on the unit to make sure the timer is work

Posted on Feb 10, 2009

MNTECH
  • 1543 Answers

SOURCE: LG front load washer WM2277HW. ''LE'' Error code

First try unplugging the machine for a few minutes and then retry a cycle. If you still get the LE error:

The Hall sensor (part number 6501KW2001A) has failed. The hall sensor is rather easy to replace, and is covered by a seven year part warranty (in the US). Take the back cover off. Take the big nut off and remove the motor rotor. Remove the bolts holding the motor windings. Remove the electric plug on the sensor and unclip it from the motor winding. Snap new sensor on and reassemble. Usually takes under a half hour. On a difficulty scale of 1 - 10, it might rate a 4. This should be a Fix-Ya for your machine, and at basically no cost!
In the US, find a service provider using your zip code at http://us.lgservice.com/index_b2c.jsp or call LG at 800-243-0000

Posted on Jul 03, 2009

appliancguy
  • 86 Answers

SOURCE: my lg front load washer will go through the cycle

The problem with this one is I'm not there but, without having the tech sheet for this model I would assume DE means "door error" or a drain problem. I believe this model has a clean out drain in it. Remove the bottom panel or there maybe a panel that just pops off. It won't spin if it can't drain. Unscrew the drain (have some towels or a bucket ready)(UNPLUG MACHINE)...If it's clogged then that's the problem. If it's the door it could be the lock assembly or the control board itself. This is why it makes it hard to do without being there. There are three boards in this unit...Hope I've helped a little.

Posted on Nov 30, 2009

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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

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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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