Question about LG WM3431H Washer and Dryer

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I have a washer/dryer combo LG unit (WM3431HS). It will not spin to drain the water out of the drum.What can I do to fix this? I have tried cleaning inlet filters and manually drain the machine.

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  • LG Master
  • 17,130 Answers

Possible that the drain pump is defective. Click this link: Drain pump.

Posted on Jan 18, 2013

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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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Daniel S
  • 4323 Answers

SOURCE: my lg washer and dryer wm3431hs isn't draining. I

Hi

If the washer is not draining then it is due to a clogged drain pump or a drain filter or a kinked drain hose. To resolve the issue you'll need to clean the drain hose, inspect if the drain hose is plugged. If the hose is fine, then remove the front kick panel and access the drain pump and filter, if you are unable to find the pump and filter remove the back panel as well and trace the drain hose to the bottom of the tub. There is a drain filter connected with the drain pump. It usually gets clogged, and needs to be cleaned every 6-8 months or so. The drain filter is a small white filter connected to drain pump with a hose. If it still doesn't work then you'll need to check the connections of the drain pump, check the electrical connections with a multimeter. If it still doesn't work then you would need to replace the drain pump. Hope this helps...


Daniel

Posted on Jan 10, 2011

jason0110
  • 66 Answers

SOURCE: Water won't drain

make sure there is power getting to the pump if so then your pump has stopped working or may be blocked if not than it will most likly be your pcb

Posted on Sep 14, 2007

johnychel
  • 796 Answers

SOURCE: spinning cycle

Keeping in mind that the soap & bleach gets dispensed into your wash on the second to last rinse cycle and that most all rinse cycles are in cold water. Is your cold water valve screen plugged causing your washer to rinse poorly? Are you using the HE detergent? If not maybe the washer is sudsing up to much and having a hard time rinsing all the suds and bleach out and leaving the clothes soapy.

Fill the washer up with no clothes in it on a cold/cold wash setting does it take a long time to fill the washer up? Also when it is full and agitating is there suds in the washer?

Last suggestion is if the drain is hose is a lot higher than the top of the washer it might have a hard time draining out all of the soap water before the next load

Posted on Mar 23, 2008

onthejob5130
  • 640 Answers

SOURCE: LG washer/dryer combo will not drain water

easy first unplug unit..take back remove phillips head screws...now the pump drain hose is the other side of the filter in front just take a pliers remove clamp,,replace hose..close unit plug back in

Posted on Dec 25, 2008

  • 2 Answers

SOURCE: I have an LG Washer and Dryer Combo #WM3431HS. It

this dryer don't used external vent , please read manual, this is a vapor dryer

Posted on Aug 25, 2009

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My lg #wm3431hs making strange noise and wont drain


If your washer won't drain, check these:

It spins, but doesn't pump 
It doesn't spin or pump
It pumps, but the water returns
It spins, but doesn't pump If your washer spins but doesn't pump the water out, the drain line is probably clogged. In many washers, a small sock or other piece of clothing can get between the clothes tub and the outer tub that holds the water. If the clothing gets between the tubs, it may then get into the drain hose that's attached to the pump--or even into the pump itself. If it's in the pump, you need to remove the hoses from the pump and pull the item out.

To remove the sock from the outer tub port, open the washer's main access panel and remove the large-diameter rubber hose that connects the pump to the bottom of the outer tub. Then, using needle-nose pliers, try to grab and remove the clothing through the port. 

Sometimes you can't remove the stuck clothing from below. Then you have to remove the agitator, top of the outer drum shield, and inner clothes tub. This isn't easy to do--and you may need special tools--so you might be happier getting a qualified appliance repair technician to do the job.

If the drain line isn't plugged, the problem may be with your pump. Even if the pump appears to be turning, the internal impeller may be broken. If so, you need to replace the pump.

It doesn't spin or pump If your washer doesn't spin or pump water out but the motor is running, your washer probably has a frozen pump pulley. If so, you need to replace the pump. To check the pulley, remove the pump from the washer and try to rotate the pulley manually. If it doesn't turn freely--if it's frozen or stiff--replace it. 

It pumps, but the water returns If the water that pumps out of the machine goes back into the machine after the spin cycle, your washer may be siphoning the water from a laundry tub that has a slow drain, back into the washer. The usual remedy for this is to improve the draining of the laundry tub. (Is something stuck in the drain?) Also, check for these problems:

  • If the drain hose reaches more than about 4 inches into the laundry tub, cut off the excess.


  • If your drain hose is lower than the washer's cabinet, install an air gap/siphon break assembly.

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I also had a softball size ball of wet, packed lint in the condensing unit. I found that the unit can be cleaned without tools or dis-assembly by:
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LG washer/dryer combo will not drain water


easy first unplug unit..take back remove phillips head screws...now the pump drain hose is the other side of the filter in front just take a pliers remove clamp,,replace hose..close unit plug back in

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