Manual for LG Direct Drive Dishwasher

User Manual & Installation Guide

14 Place Settings

Installation Guide

Tools Needed:

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

Step-by-Step Installation

  1. Choose Installation Location: Select a location near water supply and drain connections on a solid, level floor under countertop.
  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 braided stainless steel hoses.
  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, dedicated circuit. 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 DFN454HT
Type Built-in Dishwasher
Color Stainless Steel / Black
Capacity 14 Place Settings
Noise Level 42 dB
Control Type Touch Controls with LED Display
Energy Rating A+++ (Most Efficient)
Water Consumption 9.5 L 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
  • 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™ Technology

Four multi-directional spray arms target every corner of the dishwasher, ensuring thorough cleaning from multiple angles for spotless results.

TrueSteam™

Steam technology helps to remove tough, baked-on food residues while sanitizing dishes and reducing water spots for hygienically clean results.

LoDecibel™ Operation

Advanced sound insulation and Direct Drive technology combine for ultra-quiet operation at just 42 dB, quieter than a library.

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

Flexible racking system with adjustable tines and fold-down cup shelves to accommodate large pots, pans, and oddly shaped items with ease.

Wash Programs Explained

Heavy Wash

Intensive cleaning for pots, pans, and heavily soiled dishes

Normal Wash

Standard cleaning for everyday dishes and tableware

Light Wash

Quick cycle for lightly soiled items and energy saving

Rinse Only

Rinses dishes to prevent food from drying on until full load

Sanitize

High-temperature wash that eliminates 99.9% of bacteria

Crystal Dry

Special drying program for plastic items and delicate glassware

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, incorrect loading, heating element issue Refill rinse aid, check loading pattern, verify heating element

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

DFN454HT

14 Place Settings DD Dishwasher

DFN452HT

14 Place Settings Steam Dishwasher

DFN457HT

14 Place Settings ThinQ Dishwasher

DFN454HB

14 Place Settings Black Dishwasher

Popular Previous Models

LDFN4542W

14 Place Settings DD Dishwasher

LDP6797ST

14 Place Settings Steam Dishwasher

LDT9968BD

15 Place Settings ThinQ Dishwasher

LDF7551ST

12 Place Settings DD Dishwasher

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