🍽️Dishwasher

CONTROL BOARD WET

LG · LDT7808SS Top Control Smart Dishwasher with TrueSteam

LG LDT7808SS Top Control Smart Dishwasher with TrueSteam CONTROL BOARD WET Error Fix: Control Board Moisture Damage

Steam from drying cycle can reach control board (especially top-control models), causing corrosion and erratic behavior. Check for visible corrosion or burn marks. Board shield or better venting can help.

High severity2 fixes available✨ Free fix available

Quick Answer

Error CONTROL BOARD WET on the LG LDT7808SS Top Control Smart Dishwasher with TrueSteam means: Control Board Moisture Damage. The top-ranked community fix is “Replace Control Board and Install Protective Shield” (hard difficulty, ~90 min, DIY cost: $10-$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: $250-$350.

Other LG Models with Error CONTROL BOARD WET

LDPH7972S Top Control Smart Dishwasher with QuadWash Pro and Dynamic Dry

dishwasher · 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

DOOR GASKET WORN

Door Gasket Deterioration

2 fixes

DRAIN PUMP CLOG

Drain Pump Clog/Failure

2 fixes

Water Leak / Excess Water

2 fixes

Water Supply / Overfill Error

2 fixes

People Also Ask About LG LDT7808SS Top Control Smart Dishwasher with TrueSteam Error CONTROL BOARD WET

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

Error code CONTROL BOARD WET on the LG LDT7808SS Top Control Smart Dishwasher with TrueSteam means: Control Board Moisture Damage. Steam from drying cycle can reach control board (especially top-control models), causing corrosion and erratic behavior. Check for visible corrosion or burn marks. Board shield or better venting can help.

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

The most successful fix is "Replace Control Board and Install Protective Shield" (hard difficulty, ~90 minutes). Estimated DIY cost: $10-$20. HomeMD has 2 community-ranked fixes for this error.

Is error code CONTROL BOARD WET 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 CONTROL BOARD WET myself?

Yes — the top-ranked community fix ("Replace Control Board and Install Protective Shield") is rated hard difficulty and takes about 90 minutes. Tools needed: T20 Torx screwdriver, Multimeter, Needle nose pliers.

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

DIY cost: $10-$20. Professional repair typically costs $250-$350. 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), DOOR GASKET WORN (Door Gasket Deterioration), and 3 more.

Which other LG models have the CONTROL BOARD WET error?

Error code CONTROL BOARD WET also appears on 1 other LG model: LDPH7972S Top Control Smart Dishwasher with QuadWash Pro and Dynamic Dry. 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)
DOOR GASKET WORN — Door Gasket Deterioration (2 fixes)
DRAIN PUMP CLOG — Drain Pump Clog/Failure (2 fixes)
E1 — Water Leak / Excess Water (2 fixes)
FE — Water Supply / Overfill Error (2 fixes)

Which other LG models have the CONTROL BOARD WET error?

Error code CONTROL BOARD WET also appears on 1 other LG model:

LDPH7972S Top Control Smart Dishwasher with QuadWash Pro and Dynamic Dry (dishwasher) · 2 fixes

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