LG Dishwasher Error Code FE: Meaning & How to Fix It

By the ErrorCodePro Editorial Team · Last reviewed October 20, 2026

LG dishwasher error code FE means: Water supply exceeded the standard amount, or a leak was detected. Causes include oversudsing from dish soap, an unlevel unit or a misaligned door. [1] Keep using it? No. Start with the owner checks below, beginning with: load correctly.

Quick facts

Code	FE
Also shown as	AE, RE
Brand / appliance	LG dishwasher
System	Leak protection
Official meaning	Water supply exceeded the standard amount, or a leak was detected. Causes include oversudsing from dish soap, an unlevel unit or a misaligned door. [1]
Keep using it?	No
DIY-safe?	Owner checks only (listed below)
Support	LG: 1-800-243-0000

On this page: Meaning · Steps · Parts · When to call a technician · Related codes · FAQ

What error code FE means on an LG dishwasher

Water supply exceeded the standard amount, or a leak was detected. Causes include oversudsing from dish soap, an unlevel unit or a misaligned door. [1]

This is a leak protection code. Codes and wording can vary by model, so check your owner's manual for your model number.

How to fix LG dishwasher error code FE (safe owner checks)

Safety first: disconnect power before you remove any panel or reach into the sump or drum. Do not touch wiring, the control board or the motor. If you see water near electrical parts, stop and call a technician. These steps are based on LG's published guidance [1], rewritten for clarity.

Load correctly. Load large plates and pots upside down.
Use dishwasher detergent. Never use hand dishwashing liquid.
Power off if no leak. If there is no water on the floor but the error shows, cut power and request service.

Parts that may be involved

Exact parts depend on your model number. This page lists part types only, never part numbers.

No specific part is implied by the manufacturer's guidance for this code.

When to call a technician

The unit is not level
Water was poured into the Heat Dry blower (don't pull out a built-in unit)
Anything involving wiring, the control board, the motor or the water valve electrics
The appliance is under warranty: contact LG: 1-800-243-0000 first

Frequently asked questions

What does error code FE mean on an LG dishwasher?

LG lists FE as follows: Water supply exceeded the standard amount, or a leak was detected. Causes include oversudsing from dish soap, an unlevel unit or a misaligned door.

Is it safe to keep using the dishwasher with FE?

No.

Can I fix LG dishwasher error FE myself?

Only with the owner checks on this page, starting with: load correctly. If it persists, call a technician or LG: 1-800-243-0000.

Is AE the same as FE?

Yes. LG's documentation lists AE, RE with the same meaning as FE; the display format depends on the model.

Sources

LG USA Support: Dishwasher Guide to Error Codes (official)

Last reviewed: October 20, 2026. ErrorCodePro is not affiliated with LG.