The LG OE error code means your LG washer cannot drain the water out of the drum. OE stands for Outlet Error. The washer usually stops in the middle of a cycle with water still sitting in the drum, and it will not spin until the water has gone. The first safe thing to try is to switch the washer off, unplug it, and check that the drain hose at the back is not kinked or squashed — that alone fixes the problem in many homes.
If the hose looks fine, the next most likely cause is a clogged drain pump filter. This guide follows LG’s own advice and tells you when to stop and call a professional.
What the LG OE error code means
LG’s own definition for front-load washers is clear: an OE error code indicates that the washing machine is unable to drain the water used during the wash cycle. The same code can also appear as E03 or E21 on some LG models, and LG groups all three together because they mean the same thing.
On top-load LG washers, the code is shown as “OE [Outlet error]”. The wording is different, but the meaning is the same: the washer is having trouble getting the water out.
OE usually appears during the drain or spin part of a cycle. The washer may stop, drain very slowly, or finish the wash and then refuse to spin, leaving laundry sitting in water. Until the water is gone, the washer will not move on to the next stage of the programme.
What OE does not mean:
- It is not a water supply problem. If your washer cannot fill with water, that is a different code — IE, the inlet error.
- It is not an overflow. On Samsung washers, the OE code means the opposite problem — too much water in the drum. The same two letters mean different things on different brands, so do not use a Samsung guide for an LG washer.
- It is not the same as the OE code on an LG dishwasher. The letters are the same, but the checks are different, so this guide covers washing machines only.
- It does not automatically mean the drain pump is broken. In most cases the cause is something far simpler: a kinked hose or a clogged filter.
Most likely causes of the LG OE error code
LG says an OE error can be caused by a kinked drain hose or a clogged drain pump filter. In practice, the causes rank like this, most common first:
- A clogged drain pump filter. The filter at the bottom front of the washer catches lint, coins, hair grips, buttons and other small items before they reach the pump. Over time it can block enough to stop the water draining. This is the single most common cause of OE.
- A kinked, squashed or blocked drain hose. When a washer is pushed back against the wall, the drain hose can bend sharply or get trapped, and a kinked hose cannot carry water away. The end of the hose can also be blocked, or pushed too far into the standpipe.
- A problem with the drain pump itself. If the pump is humming but the water is not moving, something may be stuck inside the pump. If the pump makes no sound at all when the washer should be draining, the pump may have failed and may need to be replaced.
- Too much detergent. Extra suds can interfere with the drain cycle. LG recommends using the recommended detergent amount and running a tub clean cycle if OE keeps appearing.
Rarely, the household drain or standpipe the washer empties into is blocked. If every drain in the house is also running slowly, the household plumbing is the more likely cause.
How to fix the LG OE error code safely
Tools you need: old towels, a shallow tray or baking tray, and a soft brush or old toothbrush. A torch is useful for checking inside the filter housing. Time: about 30 minutes. Difficulty: Easy — no panels need to be opened and no wiring is touched.
Safety first — stop and read this before you start. Unplug the washer before you touch the filter or move the machine. Never remove the back or top panels, never touch wiring, and never work on a washer while it is plugged in. If water is leaking through the floor, you can smell burning, or the washer sparks, leave it unplugged and call a professional. If you rent your home, check your tenancy agreement before doing anything beyond the steps below.
- Unplug the washer. Switch it off and pull the plug out. If you plan to move the machine, also turn off the hot and cold water supply taps.
- Check the drain hose at the back. Pull the washer away from the wall just far enough to see the hose. Look for sharp kinks, bends or a squashed section. Straighten the hose so water can flow freely, and check that the end is not blocked and is not pushed too far into the standpipe. Push the washer back gently, taking care not to squash the hose again.
- Test the drain pump. LG’s test is to run a Spin Only cycle on HIGH and listen. Humming means the pump is running, so the problem is a blockage in the hose or filter. No humming at all points to a pump that may need replacing. If the washer will not start a spin, skip to step 4.
- Clean the drain pump filter. Put towels and a shallow tray under the small access flap at the bottom front of the washer. Open the flap and, if your model has one, pull out the small drain hose and let the remaining water run into the tray. Then turn the filter anticlockwise, pull it out, and remove the lint, coins and debris. Rinse it under a tap and brush it clean. Screw the filter back in firmly, push the drain hose back in, and close the flap. Keep towels nearby — water will come out when you remove the filter.
- Use less detergent and run a Tub Clean cycle. Use only the amount of detergent LG recommends for your load and water hardness. After cleaning the filter, run a Tub Clean cycle (or a hot wash with an empty drum) to clear any soap residue.
- Run a test cycle. Plug the washer back in and run a short wash, or a rinse and spin, with the drum empty. Watch it drain. If the water drains normally and no OE code appears, the fix has worked. Run a normal load next and check once more.
When to call a professional
Stop and book a repair if any of these apply:
- The OE code comes back after you have checked the hose, cleaned the filter and reduced the detergent.
- The pump makes no humming sound on the spin test, or it makes a loud grinding noise.
- The filter housing is damaged, the filter will not screw back in, or water leaks from around the filter.
- The drain hose is split, or the connection at the back is damaged.
- You cannot move the washer safely — washers are heavy, so get help or call a professional.
- There is water damage to the floor, a burning smell, or any sparking.
How much does an LG OE repair cost in the USA?
We could not verify a reliable price range for this fault from a named source, so we are not publishing a figure here. Costs vary by area, by model and by what is wrong. Ask for a written quote from a local repairer before agreeing to any work.
Parts you may need
Most LG OE problems are fixed without any new parts. If a part is needed, it is usually one of these:
- Drain pump filter (a replacement filter for your model)
- Drain hose
- Drain pump
If you order a part, confirm it matches your exact LG model number first. You will find the model number on the label inside the door or on the back of the washer.
Frequently asked questions
Does unplugging my LG washer reset the OE code?
Unplugging for a minute clears the code from the display, but not the cause. If the hose is kinked or the filter is clogged, OE will come back in the next cycle. Fix the cause first.
Can I still use my LG washer with the OE code showing?
No. The washer will not spin or finish a cycle while water is left in the drum, and running it again leaves laundry sitting in dirty water. Fix the drain problem first, then run a test cycle.
How do I clear the OE code after fixing it?
Straighten the drain hose, clean the filter, then plug the washer back in and run a rinse and spin, or a short wash. The code should clear by itself once the washer drains normally.
Is the OE error code dangerous?
The code itself is not dangerous. It is a warning that water is not draining. The real risk is water escaping and damaging the floor, so do not ignore the code, and keep the washer unplugged if you can see water coming from the filter area or the hose.
Why does the OE code keep coming back after I cleaned the filter?
Because the blockage may also be in the drain hose or inside the pump itself, or because the household standpipe is slow. Check the hose again, test the pump with a Spin Only cycle, and check whether you are using too much detergent.
Is OE the same on top-load and front-load LG washers?
Yes. The code means the same drain problem on both. On top-load models LG labels it “Outlet error”, while on front-load models LG groups OE with E03 and E21. The checks are the same for both.
Sources and last verified
Last verified: 14 November 2026.
- LG Front Load Washer Error Code List — LG USA support; LG’s definition of OE/E03/E21 and the recommended checks.
- LG Top Load Washer Error Code List — LG USA support; OE shown as “Outlet error” on top-load models.
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