LG Direct Drive Dishwasher Manual Troubleshooting

User Manual & Troubleshooting Guide

Direct Drive Technology

Installation Guide

Tools Needed:

  • Adjustable wrench
  • Level
  • Screwdrivers (flat and Phillips)
  • Pliers
  • Tape measure
  • Pipe thread seal tape

Step-by-Step Installation

  1. Choose Installation Location: Select a location near necessary plumbing and electrical connections on a solid, level floor under countertop.
  2. Remove Shipping Materials: Remove all shipping bolts and packaging materials from the dishwasher interior and exterior.
  3. Connect Water Supply: Connect hot water supply line to the water inlet valve. Use only new hoses and apply thread seal tape.
  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. Do not use an extension cord.
  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 9.5 Liters per cycle
Power Requirements 120V, 60Hz, 15A
Dimensions (HxWxD) 82 x 60 x 55 cm
Weight 45 kg
Drying System Heat Exchange Drying

Warranty Information

  • Full Warranty: 2 years parts and labor
  • Direct Drive 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

Direct Drive Motor

LG's innovative Direct Drive motor connects directly to the wash system without belts or pulleys, reducing noise and vibration while increasing reliability and efficiency.

QuadWash™ System

Four multi-directional spray arms target every corner of the dishwasher, providing complete coverage and superior cleaning performance.

TrueSteam™ Technology

Steam technology helps to remove tough, baked-on food, reduce allergens, and sanitize dishes, leaving them hygienically clean.

LoDecibel™ Quiet Operation

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

SmartThinQ Technology

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

EasyRack™ Plus System

Fully adjustable racks with flexible tines accommodate dishes, pots, and pans of various sizes and shapes.

Wash Programs

Heavy Wash

Intensive cleaning for pots, pans, and heavily soiled dishes

Normal Wash

Standard cleaning for everyday dishes and tableware

Light Wash

Quick cleaning for lightly soiled dishes and glassware

Rinse Only

Rinses dishes to prevent drying of food particles

Speed Wash

Fast cleaning cycle for lightly soiled loads in under 30 minutes

Sanitize

High-temperature wash that eliminates 99.9% of bacteria

Troubleshooting

Problem Possible Cause Solution
Dishwasher won't start Power issue, door not closed properly, child lock engaged Check power supply, ensure door is latched completely, check child lock setting
Poor cleaning results Overloading, wrong detergent, incorrect program, clogged spray arms Reduce load size, use correct detergent, select appropriate program, clean spray arms
Water not draining Drain hose clogged or kinked, drain filter blocked Check drain hose for obstructions or kinks, clean drain filter
Leaking water Door not sealed, overfilling, loose connections, worn door gasket Check door seal, ensure proper detergent amount, check connections, inspect door gasket
Unusual noises Foreign objects in pump, spray arm obstruction, worn motor bearings Check for foreign objects, ensure spray arms rotate freely, contact service if motor noise persists
Dishes not drying Rinse aid empty, heating element failure, improper loading Refill rinse aid, check heating element, ensure proper loading for air circulation

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 - Check heating element and temperature sensor
  • CE: Communication error - Power cycle dishwasher

Manual Downloads

Current Model Manuals

DFB425FP

14 Place Settings DD Dishwasher

DFB325FS

14 Place Settings Steam Dishwasher

DFB425FW

14 Place Settings ThinQ Dishwasher

DFB325FB

14 Place Settings Black Dishwasher

Popular Previous Models

LDF5545ST

15 Place Settings DD Dishwasher

LDP6797BD

14 Place Settings Steam Dishwasher

LDT9968BD

14 Place Settings ThinQ Dishwasher

LDF7551ST

13 Place Settings DD Dishwasher

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