What does LG Dishwasher Standing Water in Bottom - Causes & Fix mean?

Usually caused by clogged filters or food debris blocking the drain path. Clean the filter assembly and tub, then check for kinked hoses.

How do I fix LG Dishwasher Standing Water in Bottom - Causes & Fix?

Work through the step-by-step fix below. Start with the quick reset and the most common cause, then check the specific part this guide points to. Most fixes need only basic hand tools and the right replacement part.

Can I keep using my LG appliance with this error showing?

Usually not. LG appliances show this error when a part or safety circuit is out of range, so running it can stop the cycle or make the problem worse. Diagnose and clear the error before normal use.

What part is most commonly replaced for LG Dishwasher Standing Water in Bottom - Causes & Fix?

The parts that most often fix LG Dishwasher Standing Water in Bottom - Causes & Fix are listed in the parts section of this guide. Match the part to your exact model and serial number before you buy.

Is LG Dishwasher Standing Water in Bottom - Causes & Fix a DIY repair or do I need a technician?

Many fixes are DIY-friendly with basic tools, such as door switches, drain pumps, water inlet valves, thermostats, heating elements, and filters. Sealed-system, refrigerant, gas, or high-voltage work should go to a licensed technician for safety.

LG Dishwasher Standing Water in Bottom - Causes & Fix

LG Dishwasher Standing Water in Bottom — What’s Happening

Standing water in the bottom of an LG dishwasher is a symptom of a drain problem, and the related error code is typically OE, which indicates a drainage failure. LG says the most common causes are food debris clogs or an installation issue with the drain hose. If you see water remaining after a cycle but no OE code appears, it can happen if power was lost before the cycle finished or was manually disconnected, and restarting the cycle may clear it.

LG also notes that a small amount of water below the filter is normal and intentional. This water acts as a trap to prevent sewer odors from entering the tub. If the standing water is above the filter or the unit displays OE, you have a real drain fault that needs attention.

Jump to Fix

Most Likely Causes

Clogged filters or food debris in the tub Food particles and grease can block the filter assembly or the spray-arm path, preventing water from draining properly.
Kinked or pinched drain hose under the sink A drain hose that is bent, crimped, or routed incorrectly will restrict flow and cause water to back up into the tub.
Blocked air gap or sink connection Debris in the air gap or the drain connection at the sink or disposal can stop water from leaving the dishwasher.
Garbage disposal knockout plug not removed If the dishwasher drains to a new disposal and the installer did not remove the knockout plug, water cannot exit the unit.
Household drain or disposal blockage A clog in the sink drain or disposal can back water up into the dishwasher through the shared drain line.
Failed or obstructed drain pump or impeller A broken impeller blade, jammed pump, or failed motor will prevent the unit from pumping water out of the tub.
Improper drain hose installation or excessive length LG specifies the drain hose should not exceed 12 feet and should not be extended, and an incorrect high loop or routing can cause poor drainage.

How to Diagnose and Fix

Confirm whether the water is normal residual below the filter or actual standing water above the filter or in the tub.
Remove and clean the filter assembly and inspect the tub floor for visible food debris or blockage.
Check the drain hose under the sink for kinks, pinching, blockage, and proper routing with a high loop.
Inspect the sink or disposal connection and the air gap (if installed) for debris or blockage, and clear any restrictions.
Verify the disposal knockout plug is removed if the dishwasher drains to a garbage disposal.
Run a Cancel and Drain cycle if your model has one, or start a normal cycle and let it run for the first 45 seconds to force a drain, then power off.
If drainage is still poor, access the drain pump and impeller and check for broken blades, debris, or a failed motor.
Run an empty Heavy Duty or Normal cycle after cleaning to verify the unit flushes and drains completely.

Parts You Might Need

Part	Notes
Drain pump / drain motor	Amazon \| Required if the pump is not moving water or has failed electrically.
Drain impeller	Amazon \| Replace if blades are cracked, missing, or damaged.
Filter assembly	Amazon \| Replace if the filter is cracked, damaged, or cannot be cleaned.
Drain hose	Amazon \| Replace if kinked, cracked, or permanently obstructed.

If your appliance also shows a code on the display, these match this problem:

When to Call a Pro

Call a pro if you have checked all filters, hoses, and connections but water still will not drain, or if the drain pump needs to be accessed and replaced. A technician can also diagnose intermittent drain faults, verify pump electrical operation, and correct complex installation issues such as improper hose routing or excessive drain-line length.