What causes the IE code on a LG dishwasher?

Supply valve closed or low pressure: The under-sink water supply valve must be open with normal pressure. Clogged inlet valve screen: The mesh screen at the inlet valve traps sediment. Faulty water inlet valve: A valve that will not open electrically.

LG · Dishwasher Moderate

IE — Not Filling With Water

IE (Inlet Error) means the dishwasher did not fill to the expected water level within the time limit.

Keep using it?: Yes, with caution
DIY difficulty: Easy
Typical cost: $30-65
Verified against: lg.com ↗

The fix

Water inlet valve

Water inlet error - not filling

$30-65 moderate difficulty 45 min Tools: screwdriver, pliers, towels

Diagnose first: Failed inlet solenoid or a clogged inlet screen; verify supply line is open before replacing the valve.

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How to fix it

Confirm the under-sink supply valve is fully open.
Turn off the water and clean the inlet valve screen.
Test and replace the inlet valve if it will not open.

Why it happens

Typical signs: Dishwasher will not fill · Cycle stalls at the start · IE on the display

Supply valve closed or low pressure The under-sink water supply valve must be open with normal pressure.
Clogged inlet valve screen The mesh screen at the inlet valve traps sediment.
Faulty water inlet valve A valve that will not open electrically.

Related repair guides

Dishwasher Not Filling With Water — Causes and Fixes →

More LG dishwasher codes

2H 2H — Delay-start indicator (2 hours remaining) AE AE — Leak Detected (Aqua Error) bE bE — Bubble / oversuds error CE CE — Motor / communication error CL CL — Child lock / control lock active CR CR — Test / calibration mode

All LG codes → All dishwasher codes →

Always unplug an appliance before servicing it. This guide is for informational purposes and is not a substitute for a qualified technician. Verified against manufacturer documentation: lg.com.