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LG · LDT7808SS Top Control Smart Dishwasher with TrueSteam

LG LDT7808SS Top Control Smart Dishwasher with TrueSteam FE Error Fix: Water Supply / Overfill Error

Water level above expected maximum. Inlet valve may be failing to close or float switch stuck. Turn off water supply. Check float assembly — should move freely. Clean debris around float base. Test inlet valve. Stuck-open valve can flood kitchen.

High severity2 fixes available✨ Free fix available

Quick Answer

Error FE on the LG LDT7808SS Top Control Smart Dishwasher with TrueSteam means: Water Supply / Overfill Error. The top-ranked community fix is “Test and Replace the Water Inlet Valve” (hard difficulty, ~60 min, DIY cost: $15-$20). 2 community-ranked fixes available below.

Published February 2026 · 2 fixes · dishwasher

Content is based on manufacturer service documentation, community repair experience, and OEM technical bulletins. Always verify with your owner's manual.Learn about our editorial standards.

When to Call a Professional

While many dishwasher repairs can be done safely at home, consider hiring a qualified technician if:

This is a high severity error — continued use may cause damage or a safety hazard
The repair involves electrical wiring, gas lines, or refrigerant
You've tried the top-ranked fix and the error persists
You smell gas, see sparking, or notice water leaking
The repair requires specialized tools you don't have
Your appliance is still under manufacturer warranty

Average professional repair cost for this issue: $100-$150.

Other LG Models with Error FE

LDPH7972S Top Control Smart Dishwasher with QuadWash Pro and Dynamic Dry

dishwasher · 2 fixes

WM3600HWA 4.5 cu. ft. Smart Front-Load Washer with TurboWash 360

washer · 2 fixes

WT7150CW 5.0 cu. ft. Top-Load Washer with TurboDrum

washer · 2 fixes

Other LG LDT7808SS Top Control Smart Dishwasher with TrueSteam Error Codes

Leak Sensor — Water in Base

2 fixes

Motor / Impeller Error

2 fixes

Abnormal Water Temperature

2 fixes

Child Lock Active

2 fixes

CONTROL BOARD WET

Control Board Moisture Damage

2 fixes

DOOR GASKET WORN

Door Gasket Deterioration

2 fixes

DRAIN PUMP CLOG

Drain Pump Clog/Failure

2 fixes

Water Leak / Excess Water

2 fixes

People Also Ask About LG LDT7808SS Top Control Smart Dishwasher with TrueSteam Error FE

What does error code FE mean on a LG LDT7808SS Top Control Smart Dishwasher with TrueSteam?

Error code FE on the LG LDT7808SS Top Control Smart Dishwasher with TrueSteam means: Water Supply / Overfill Error. Water level above expected maximum. Inlet valve may be failing to close or float switch stuck. Turn off water supply. Check float assembly — should move freely. Clean debris around float base. Test inlet valve. Stuck-open valve can flood kitchen.

How do I fix error code FE on my LG LDT7808SS Top Control Smart Dishwasher with TrueSteam?

The most successful fix is "Test and Replace the Water Inlet Valve" (hard difficulty, ~60 minutes). Estimated DIY cost: $15-$20. HomeMD has 2 community-ranked fixes for this error.

Is error code FE on a LG LDT7808SS Top Control Smart Dishwasher with TrueSteam serious?

This error is rated high severity. You should address it promptly — continued use could cause damage or safety concerns.

Can I fix LG LDT7808SS Top Control Smart Dishwasher with TrueSteam error FE myself?

Yes — the top-ranked community fix ("Test and Replace the Water Inlet Valve") is rated hard difficulty and takes about 60 minutes. Tools needed: T20 Torx screwdriver, Multimeter, Adjustable wrench, Flashlight.

How much does it cost to repair LG LDT7808SS Top Control Smart Dishwasher with TrueSteam error FE?

DIY cost: $15-$20. Professional repair typically costs $100-$150. Many homeowners save money by trying the top-ranked community fix first.

What other error codes does the LG LDT7808SS Top Control Smart Dishwasher with TrueSteam have?

The LG LDT7808SS Top Control Smart Dishwasher with TrueSteam has 8 other known error codes, including: AE (Leak Sensor — Water in Base), bE (Motor / Impeller Error), CE (Abnormal Water Temperature), CL (Child Lock Active), CONTROL BOARD WET (Control Board Moisture Damage), and 3 more.

Which other LG models have the FE error?

Error code FE also appears on 3 other LG models: LDPH7972S Top Control Smart Dishwasher with QuadWash Pro and Dynamic Dry, WM3600HWA 4.5 cu. ft. Smart Front-Load Washer with TurboWash 360, WT7150CW 5.0 cu. ft. Top-Load Washer with TurboDrum. The fix may vary by model, so check each model's specific page for tailored repair steps.

What other error codes does the LG LDT7808SS Top Control Smart Dishwasher with TrueSteam have?

The LG LDT7808SS Top Control Smart Dishwasher with TrueSteam has 8 other known error codes:

AE — Leak Sensor — Water in Base (2 fixes)
bE — Motor / Impeller Error (2 fixes)
CE — Abnormal Water Temperature (2 fixes)
CL — Child Lock Active (2 fixes)
CONTROL BOARD WET — Control Board Moisture Damage (2 fixes)
DOOR GASKET WORN — Door Gasket Deterioration (2 fixes)
DRAIN PUMP CLOG — Drain Pump Clog/Failure (2 fixes)
E1 — Water Leak / Excess Water (2 fixes)

Which other LG models have the FE error?

Error code FE also appears on 3 other LG models:

LDPH7972S Top Control Smart Dishwasher with QuadWash Pro and Dynamic Dry (dishwasher) · 2 fixes
WM3600HWA 4.5 cu. ft. Smart Front-Load Washer with TurboWash 360 (washer) · 2 fixes
WT7150CW 5.0 cu. ft. Top-Load Washer with TurboDrum (washer) · 2 fixes

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