LG QuadWash Inverter Direct Drive

User Manual & Installation Guide

Dishwasher Series

Installation Guide

Tools Needed:

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

Step-by-Step Installation

  1. Choose Installation Location: Select a location near water supply and drain connections with proper ventilation.
  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.
  4. Connect Drain Hose: Route the drain hose into sink drain or garbage disposal with proper air gap installation.
  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 LDFN454HT
Type Built-in Dishwasher
Color Stainless Steel / Black
Place Settings 14 Place Settings
Noise Level 42 dB
Control Type Touch Controls with LED Display
Energy Rating A+++ (Most Efficient)
Water Consumption 2,900 L/year
Power Requirements 120V, 60Hz, 15A
Dimensions (HxWxD) 82 x 60 x 55 cm
Weight 45 kg
Wash Cycles 8 Programs

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 from multiple angles for spotless results.

Direct Drive Motor

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

TrueSteam Technology

Steam technology helps to remove baked-on food, sanitize dishes, and reduce water spots, leaving dishes hygienically clean.

EasyRack Plus System

Adjustable upper rack with fold-down tines provides flexible loading options for large and odd-shaped items.

SmartThinQ Technology

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

LoDecibel Quiet Operation

Advanced insulation and Direct Drive motor technology combine to deliver ultra-quiet operation at just 42 dB.

Wash Programs Explained

Heavy Wash

Intensive cleaning for heavily soiled pots and pans

Normal Wash

Standard cleaning for everyday dishes and utensils

Light Wash

Quick cleaning for lightly soiled items

Rinse Only

Rinses dishes to prevent drying of food particles

Speed Wash

Fast cleaning cycle for when you're in a hurry

Sanitize

High-temperature wash to eliminate bacteria

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, incorrect program Reduce load size, use correct detergent, select appropriate program
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 spray arms, unbalanced load Check for foreign objects, redistribute load evenly
Dishes not drying Rinse aid empty, high humidity, wrong cycle Refill rinse aid, use heated dry option, select proper 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

LDFN454HT

QuadWash Dishwasher

LDFN454HB

QuadWash Black

LDFN454HS

QuadWash Stainless

LDFN454HW

QuadWash White

Popular Previous Models

LDT9968BD

TrueSteam Dishwasher

LDP6797BD

SmartThinQ Dishwasher

LDF7551ST

Stainless Dishwasher

LDT7808SS

Quiet Dishwasher

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