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LG Washer IE Error Code: How to Fix Water Inlet Issues

Quick Answer

An IE code means your washer isn't getting water fast enough to satisfy the control board. Usually, this is just a kinked hose or a clogged filter screen where the hoses connect to the back of the machine.

In my fifteen years of fixing LG washers, the IE code is one of the most common calls I get, and honestly, it's usually something simple. It triggers when the pressure switch doesn't detect a water level change within about eight minutes. While it sounds serious, most of the time we're just looking at a closed faucet or a bit of sediment blocking the intake valves.

LgWasherSeverity: moderate92% DIY Success
Time to Fix
15–45 min
Difficulty
beginner
Parts Cost
$45 – $85
Tools Needed
Needle-nose pliers, Phillips head screwdriver
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What Does the IE Code Mean?

Think of the IE code as your washer telling you it's thirsty. It has opened the valves but the water level isn't rising as expected. Before you call a pro, check the basics like your home's water supply and those little mesh filters in the back of the unit.

Most Likely Causes

Based on aggregated repair data, here is the probability breakdown for this error code:

Clogged inlet filter screens45%
Kinked or closed water supply25%
Failed water inlet valve assembly20%
Pressure switch or wiring fault10%

Symptoms You May Notice

  • Washer hums but no water enters the drum
  • Water trickles in very slowly during the fill cycle
  • The IE code appears roughly 8 to 10 minutes after starting
  • Clothes remain completely dry after the machine stops

Can you reset a Lg washer to clear the IE code?

To reset an LG washer after fixing the water issue, simply press the Power button to turn the machine off, then unplug it from the wall for 60 seconds. Plug it back in and start a new cycle. The IE code should clear as soon as the machine detects a steady flow of water into the tub.

Tools Required for Diagnosis

Needle-nose pliersPhillips head screwdriverMultimeterSmall bucket

Service / Diagnostic Mode

With the washer powered off, press and hold the Spin Speed and Soil Level buttons simultaneously, then press the Power button. The washer will beep and enter test mode.

Diagnostic Checklist

Follow these steps in order. We start with the easiest external fixes before opening up the machine.

1

Check the wall faucets and hoses

First things first, check your wall faucets. I can't tell you how many times I've driven to a house just to turn a handle. Make sure both the hot and cold valves are turned all the way to the left. If you recently moved the machine, it's very easy for a hose to get pinched against the wall, cutting off the flow like a garden hose. Give them a quick visual check and make sure they're straight and not flattened.

2

Inspect and clean the inlet filter screens

3

Visually inspect the inlet valve assembly

4

Test the valve solenoids with a multimeter

5

Check the pressure switch and air tube

ComponentComponent Under Test
Expected Range5001500 ohms
ConditionIf Open (OL) or infinite, replace component.

Replacement Parts

If your diagnostic testing proves the component has failed, you will need a replacement. We recommend OEM parts over aftermarket for water-handling components.

Part Name
Water Inlet Valve AssemblyAJU73213301 · $45–$85

Repair vs. Replace Calculator

Appliance Age (Years)7 Yrs
Labor Approach
Our Verdict
REPAIR
Estimated Cost: $65 (Parts) vs $950 (New Machine)

Frequently Asked Questions

Why does the IE code only happen on certain cycles?
This usually happens because different cycles use different water temperatures. A washer has separate solenoids for hot and cold water. If your cold water filter is clogged but the hot one is clear, a 'Tap Cold' cycle might trigger the IE code while a 'Hot' cycle works perfectly. I always recommend checking both inlet filters at the same time since you already have the hoses off. It's also a good idea to verify that both your wall faucets are actually putting out a strong stream of water.
Can I just clean the inlet filters or do I need to buy new ones?
In most cases, you can just clean them. These filters are simple plastic or stainless steel mesh screens designed to catch sand and sediment from your plumbing. I usually just pull them out with pliers and run them under a kitchen faucet while giving them a light scrub with an old toothbrush. However, if the mesh is torn or the plastic frame is cracked, you should replace them. Running a washer without these filters is a bad idea because debris will eventually ruin the internal seals of the water valve.
What if I have those 'Flood-Safe' hoses installed?
Flood-safe hoses have a built-in check valve that snaps shut if it senses a sudden burst of high pressure. Sometimes, when the washer's internal valves close quickly, it creates a 'water hammer' effect that tricks the hose into thinking there's a leak. This shuts off the water flow and triggers the IE code. If you have these hoses and keep getting the error even though everything looks fine, try replacing them with standard high-quality braided stainless steel hoses. They are much more reliable for modern high-efficiency washers.
Could the IE code be caused by a problem with my drain hose?
It sounds strange, but yes. If your drain hose is pushed too far down into the standpipe or if the standpipe is too low, a siphoning effect can occur. Water flows into the washer, but it's immediately sucked out the drain by gravity. Because the water level never rises, the pressure switch never tells the control board that the machine is full. After a few minutes of filling with no progress, the computer gives up and throws the IE code. Make sure your drain hose is properly installed with an air gap.

Related Lg Washer Error Codes

Same Fix on Other Brands

Models Known to Experience IE Errors

This repair applies to most Lg washers with this error code. Common model numbers include:

WM3400CW, WM4000HWA, WM8100HVA, WM3900HWA, WT7100CW, WT7300CW, WT7800CW, WM3500CW

Last verified for technical accuracy on March 16, 2026