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LG Dishwasher Error IE: Dishwasher Not Filling With Water

Clear meaning, realistic next steps, and safe guidance without turning the page into a long repair manual.

What it means

LG dishwasher error IE usually means the machine did not get enough water within the allowed fill time.

Severity

Medium - some user checks may help, but repeated faults often need service.

Can you fix it yourself?

Partial — start with DIY steps

Most likely cause

Water supply valve under the sink not fully open — the most common cause

Estimated time for safe first checks: 10–20 min for basic checks; Professional if inlet valve fails.

Step-by-Step DIY Fix Guide

  1. SAFETY: Turn off power at the breaker before disconnecting any hose or inlet fitting.
  2. Make sure the water supply valve under the sink is fully open.
  3. Inspect the inlet hose for kinks, crushing, or tight bends behind the dishwasher.
  4. Turn off the water supply, disconnect the inlet hose, and clean the small inlet screen if your model allows that basic maintenance step.
  5. Reconnect the hose, restore power, and run a short cycle to confirm whether IE clears.

If IE comes back after the first checks

  • Test another nearby fixture to rule out a broader household pressure issue.
  • If the dishwasher makes little or no fill sound, the inlet valve may not be opening.
  • If the code is intermittent, compare whether it happens when other fixtures are running at the same time.

What This Error Means

LG dishwasher error IE means the cycle paused because the dishwasher did not receive enough water to continue safely. In many kitchens the root problem is still on the supply side rather than inside the electronics.

The first thing to check is the shutoff valve under the sink. A valve that is only partly open can still let some water through while triggering IE once the dishwasher needs a full fill.

If the valve is open and the hose path looks fine, the next likely issue is a blocked inlet screen or a failing inlet valve.

Most Likely Cause by Symptom

The cycle starts but you do not hear normal filling.

Likely cause: The supply valve is closed, the inlet screen is blocked, or the valve is not opening.

Check first: Confirm the shutoff valve is fully open and inspect the inlet hose path.

Some water enters, then the dishwasher pauses with IE.

Likely cause: Restricted flow or low pressure.

Check first: Check the hose, inlet screen, and another nearby water fixture.

Common Causes

  • The water supply valve under the sink is partly closed.
  • The inlet hose is kinked or pinched.
  • The inlet screen is restricted by sediment or scale.
  • Household water pressure is too low for normal fill timing.
  • The inlet valve solenoid is failing and not opening fully.

What Not to Do

  • Do not keep trying full cycles if the dishwasher is not filling normally.
  • Do not assume the control board has failed before checking the valve, hose, and inlet screen.
  • Do not overtighten hose fittings when reconnecting them.

Model and Display Variation Notes

Model-family notes

  • LG dishwashers are sensitive to low fill pressure, so partial restrictions can trigger IE before water flow stops completely.
  • The exact inlet-screen access point varies slightly by dishwasher family.

Display and panel differences

  • Panel wording can vary by series, so confirm the exact code pattern before buying parts.

Parts, Tools and Service Options

Common parts

  • Water inlet valve assembly if solenoid has failed ($25–$60)
  • Inlet hose if kinked or cracked ($10–$25)

Manual and model check

Check your exact model and manual before ordering any LG dishwasher parts.

Service option

Service visit if IE returns after the supply-side checks are complete.

Suggestions in this section are organized to support the troubleshooting flow first. Any future affiliate relationships should be disclosed clearly.

When Not to Keep Troubleshooting

IE returns after the supply valve is confirmed open and the hose path is clear.

  • Water pressure is normal but the dishwasher still will not fill correctly.
  • You suspect a failed inlet valve or another internal fill-control fault.

How to Prevent It Recurring

  • Check the inlet screen every 12 months — hard water mineral deposits gradually restrict flow and cause IE errors
  • Keep the supply valve fully open at all times — partially closed valves cause slow fill and repeated IE faults

Related Error Codes

Extra notes

  • This page is based on LG support material and stays conservative where model-specific guidance may vary.
  • The goal is to help you identify safe first checks before you move into parts, service, or model-specific manual lookup.

Source and model notes

Last reviewed: 2026-04-08

Based on: Based on LG dishwasher fill-fault guidance and edited to help users separate simple supply restrictions from inlet-valve failure.

View LG US Official Support

Model coverage note: Inlet-screen access and hose routing vary by LG dishwasher family, so use this page as a safe first-pass guide rather than a model-specific service procedure.

Important: FixThisError is an independent guide, not the manufacturer. Use your model-specific manual when the panel wording or behavior differs.

Always disconnect power before inspecting appliances. If unsure, contact a licensed appliance technician.