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LG dishwasher. OE error. Hose clear. Works if its disconnected from garbage disposal...draining into a bucket. Fails if I blockage I can see going into disposal though

Posted by Brad Barr on


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Chris Huff

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  • LG Master
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Is disposal newly installed? If so, there’s a knock out plug in inlet to disposal. If that’s not it, disposal or drain is obstructed

Posted on Oct 12, 2018


5 Related Answers


Ron Coons

  • 2651 Answers

SOURCE: Kenmore Built In Dishwasher

the obstruction they talk about in the disposer, its where the connection for the d/w drain is made, there is a "knockout" plug within the drain line connector( in case you dont have a d/w) that would need to be removed before the d/w will drain. can be popped out with a good smack with a screw driver, the plastic knockout will land within the disposer. disconnect power and remove the plug, it will not break up and wash away

Posted on Mar 25, 2008


Carl Schulzetenberg

  • 1543 Answers


You do not have an "OE" error, it is actually a "DE" error. (Drain error) If after 5 minutes of drain time the pump motor RPM's haven't gone up the dishwasher knows that there is still water in the tub and throws the "DE" error. Often times the problem is the controller, but I have found more often that the problem is a long and/or restricted drain line. If someone had to extend the drain hose to reach a drain the extra resistance from the splice and pushing all the extra water in the long drain line prevents the dishwasher from pumping out within the time limit.

In some cases it is possible to correct this condition by first making sure the drain hose has a high loop to prevent siphoning, then running the drain line through the floor and into an open trap. (again, to prevent siphoning) Do not use extensions on the dishwasher drain hose supplied with the unit.

Posted on Aug 27, 2008


  • 1 Answer

SOURCE: oe code on LG dishwasher following garbage disposal replacement

Well, there is the plastic block in the garbage disposal where the drain hose goes on (as not every disposal will be attached to a dishwasher). Punch this out with a screwdriver, fish the plastic plug out with your hand and reattach the hose. You are good to go.

Posted on Dec 01, 2008

Mukesh Kumar

  • 3230 Answers

SOURCE: lg - LDS5811ST Dishwasher OE Error Code

The most common cause of an OE error code on a modern LG dishwasher is:
1. Blocked drain hose
2. Obstruction in the sump area (beneath the filter, which needs to be removed to check for onstruction)
3. Failing drain motor. 

Posted on May 06, 2009

Linh Thanh

  • 784 Answers

SOURCE: dishwasher doesn't drain completely after full cycle

If there is any blockage in your diposal, water will comes up to the sink, since it happened to me. As soon I installed the air gap then it fixed the problem. No air gap, water flowing is slowing down conflicting with timed draining causing this problem. Let's think of this, if you fill up water in a 1/2 galon milk container, and you try to emty it. If you pull down straightly , it will be slow compared to pull it at an agle to let air going into the opening. The air vent helps water flow better meeting the timed draining.

Posted on Sep 13, 2009

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Our sink and garbage disposal was clogged up. We got the sink unclogged, but the dishwasher had dirty water in the bottom and won't drain.

Your dishwasher drains into the garbage disposal. It you tried to use a plunger to clear your clogged sink or run the disposal with to much junk in it you may have force debris into the dishwasher drain hose. With both the dishwasher and garbage disposal disconnect from power disconnect the dishwasher drain hose from the garbage disposal. This is usually about a one inch black hose. Clear out any debris in the hose and inlet nipple on the garbage disposal. If debris is compacted far down the hose it will need to be disconnected from the dishwasher end and remove to clear the blockage.

Good luck!

Feb 10, 2012 | Asko 1385 Dishwasher

1 Answer

Lights are flashing with OE flashing stopped washing

OE is a drainage problem. Check all lines, and drains for kinks.blockage. Ours was blocked in the T connection where the drain goes into the sink( in the black ABS sink part.) Used a screwdriver to simply clear the t connection with the drain hose disconnected.... ran the DW( where it fills w/ water) ,then turn off, and put the drain hose into a bucket... if its pumping water out well, then it could be the sink drain.
If not... a line somewhere is plugged.

Nov 25, 2010 | LG LDS4821WW 24 in. Built-in Dishwasher

1 Answer

Not draining It hyas on OE coming up and the book says blockage. I can't find any blockage anywhere in the hose where i can see it

Check for blockages in the air gap vent at the top of the sink. You'll have to disconnect the hoses and remove the small cap inside the vent cap. This item can prevent water from flowing over to the hose that allows the water to empty into the garbage disposal or drain pipe.

Mar 20, 2010 | Dishwashers

1 Answer

Oe error...manual says clogged but cant find clog

It is important to start where the drain hose connects to the drain. Probably connects indirectly to the garbage disposal. Look for blockage there and work your way back to the dishwasher.

IF you can't find a blockage, then it is time to remove your lower spray arm and the approximately 9 screws that secure the filter assembly to the sump floor. Rinse everything that you remove.

Using a flashlight, inspect the entire sump area for debris (watch out for broken glass!) Look closely where the drain pump is located. You will probably find some sort of blockage jamming that pump.

Reassemble and test. It is rare, but an OE error could be created by a failing drain pump motor. But try everything else first.

Good Luck!

Apr 21, 2009 | LG 24 in. LDS 5811 Built-in Dishwasher

4 Answers

Water draining backinto dishwasher from garbage disposal

You have a clog where the drain pipe leaves the garbage disposal that isn't draining fast enough or not at all. Or it could be a clog in the dishwasher drain hose where it connects onto the disposal.

Apr 07, 2009 | Buck In-Sink-Erator BADGER 5XP BADGERVEXP...

1 Answer

Just purchased and installed the LG LDS4821 dishwasher, instantly got the OE error code when we tested it. After following troubleshooting tips and calling customer service, error code still not resolved....

Try a test cycle with the end of the drain hose placed into a bucket. If the dishwasher does not pump out then, call for warranty service (In the US, find a service provider using your zip code at or call LG at 800-243-0000). If the dishwaser does pump out into the bucket check the entrance of the drain. (if it is draining into a disposer, there is a knock out plug which has to be removed) By the way, that is not an OE error, it is actually a DE (drain error).

Mar 01, 2009 | LG LDS4821WW 24 in. Built-in Dishwasher

1 Answer

My kemore dishwasher is holding water after the cycle is over.

Usually it is due to poor draining ie. garbage disposal clogging etc... If it connected to the garbage disposal get a bucket, disconnect drain hose and run rinse and hold drain line over bucket to see if it is draining at all. It should drain completely if it is showing it is trying to drain it is a blockage in the pump underneath. but try the hose first and go from there.

Jan 28, 2009 | Kenmore Dishwashers

2 Answers

Oe code on LG dishwasher following garbage disposal replacement

Hi. I just had the same trouble. Your garbage disposal comment there gave me an idea. The drain hose from your dishwasher likely goes to the garbage disposal and then out the drain. My hose had a little blockage at the joint where the hose goes into the disposal. I was able to clear it just by giving it a wiggle....all is well now.

Good luck.

Sep 01, 2008 | LG 24 in. LD-12BS6 Stainless Steel...

1 Answer

LG Dishwasher model # LDS4821 Constanly giving a OE error on the control panel

On the display a D looks much like an O. You probably have a DE error code which indicates a drain problem. Check your drain line, make sure the hose isnt kinked and the drain line is not blocked especially at the connection to the sink or garbage disposal. If that is all clear you may have a blockage in your drain pump....or the pump itself could be bad.

Jul 30, 2008 | LG Dishwashers

1 Answer


The ?OE? indicates drainage trouble. It could be a clogged in the drain line. Often the problem is at the point where the drain line attaches to the garbage disposer or household drain line. You should remove this line and clear it form any debris in the hose or the hose connection. Be sure to reattach the hose before starting the dishwasher again. Good luck!

Sep 16, 2007 | LG 24 in. LD-12BS6 Stainless Steel...

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