LG QuadWash ThinQ

User Manual & Installation Guide

Dishwasher Series

Installation Guide

Tools Needed:

  • Adjustable wrench
  • Level
  • Screwdrivers (flat and Phillips)
  • Pliers
  • Tape measure
  • Pipe cutter

Step-by-Step Installation

  1. Choose Installation Location: Select a location near water supply, drain, and electrical connections on a solid, level floor.
  2. Remove Shipping Materials: Remove all shipping bolts and packaging materials from the dishwasher.
  3. Connect Water Supply: Connect hot water supply line to the water inlet valve. Use only new hoses and ensure proper sealing.
  4. Connect Drain Hose: Route the drain hose into sink drain or garbage disposal with a high loop to prevent backflow.
  5. Electrical Connection: Connect to a properly grounded 120V, 60Hz, AC only outlet. Dedicated circuit recommended.
  6. Level the Dishwasher: Adjust the leveling legs to ensure the dishwasher is level from front to back and side to side.
  7. Test Run: Run the dishwasher through a complete cycle to check for leaks and proper operation.
Warning: All installations must be performed by a qualified installer to ensure proper operation and maintain warranty coverage.

Specifications

Model Series DFB425FP
Type Built-in Dishwasher
Color Stainless Steel / Black
Place Settings 14 Place Settings
Noise Level 44 dB
Control Type Touch Controls with LED Display
Energy Rating A+++ (Most Efficient)
Water Consumption 2.9 Gallons per Cycle
Power Requirements 120V, 60Hz, 15A
Dimensions (HxWxD) 33.875 x 23.875 x 24.5 inches
Weight 77 lbs
Drying System Condensation Drying with Heat Exchanger

Warranty Information

  • Full Warranty: 2 years parts and labor
  • Motor Warranty: 10 years on Direct Drive Motor
  • Additional Coverage: Optional extended warranty available

For warranty service, contact LG Customer Service at 1-800-243-0000 or visit LG.com

Key Features

QuadWash System

Four multi-directional spray arms target every corner of the dishwasher, ensuring thorough cleaning of all dishes, even heavily soiled pots and pans.

ThinQ Technology

Wi-Fi enabled for remote control via smartphone app, allowing you to monitor cycle status, download additional programs, and receive completion alerts.

Direct Drive Motor

LG's innovative Direct Drive motor provides reliable performance with reduced noise and vibration, backed by a 10-year warranty.

TrueSteam Technology

Steam technology helps to remove tough, baked-on food while sanitizing dishes, eliminating 99.99% of bacteria.

EasyRack Plus System

Adjustable upper rack with fold-down tines provides flexible loading options for tall items and oddly shaped dishes.

LoDecibel Operation

Advanced sound insulation and Direct Drive motor technology combine to deliver ultra-quiet operation at just 44 dB.

Wash Cycle Programs

Heavy Wash

Intensive cleaning for heavily soiled pots, pans, and bakeware

Normal Wash

Standard cleaning for everyday dishes with normal soil levels

Light Wash

Quick cycle for lightly soiled dishes with energy efficiency

Rinse Only

Quick rinse to prevent food from drying on dishes

Sanitary Cycle

High-temperature wash that eliminates 99.99% of bacteria

Crystal Dry

Special drying program for delicate glassware and crystal

Troubleshooting

Problem Possible Cause Solution
Dishwasher won't start Power issue, door not closed properly Check power supply, ensure door is latched completely
Poor cleaning results Overloading, wrong detergent, spray arms blocked Reduce load size, use correct detergent, clean spray arms
Water not draining Drain hose clogged or kinked Check drain hose for obstructions or kinks, clean filter
Leaking water Door not sealed, overfilling, loose connections Check door seal, ensure proper detergent amount, check connections
Unusual noises Foreign objects in pump, spray arms hitting dishes Check for foreign objects, rearrange dishes properly
Dishes not drying Rinse aid empty, wrong cycle selected Refill rinse aid, select appropriate drying cycle

Error Codes

  • IE: Water supply issue - Check water supply and inlet valve
  • OE: Drain issue - Check drain hose and pump
  • FE: Flooding detected - Check for leaks and water supply
  • LE: Motor issue - Contact service center
  • dE: Door not closed properly - Ensure door is fully closed
  • HE: Heating element issue - Contact service center

Manual Downloads

Current Model Manuals

DFB425FP

QuadWash ThinQ Dishwasher

DFB424FP

QuadWash Steam Dishwasher

DFB325FS

QuadWash Basic Model

DFB425FB

QuadWash Black Stainless

Popular Previous Models

LDF5545ST

14 Place Settings

LDP6797BD

QuadWash Pro

LDT9968BD

Top Control ThinQ

LDFN454HT

Front Control Model

Note: For models not listed here, please visit the LG Support Website for complete documentation.