LG Dishwasher LDFN4542B

User Manual & Installation Guide

LDFN4542B Model

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 water supply, drain, and electrical 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 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. Secure to Countertop: Use mounting brackets to secure the dishwasher to the underside of the countertop.
  8. 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 LDFN4542B
Type Built-in Dishwasher
Color Stainless Steel
Place Settings 14 Place Settings
Noise Level 44 dBA
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 complete coverage and superior cleaning performance for even the toughest dried-on food.

TrueSteam™ Technology

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

EasyRack™ Plus System

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

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 sound insulation and Direct Drive motor technology combine to deliver ultra-quiet operation at just 44 dBA, quieter than normal conversation.

Wash Programs Explained

Heavy Wash

Intensive cleaning for pots, pans, and heavily soiled dishes

Normal Wash

Standard cleaning for everyday dishes with normal soil

Light Wash

Quick cleaning for lightly soiled dishes and glassware

Rinse Only

Rinses dishes to prevent drying of food particles

Sanitize

High-temperature wash that eliminates 99.9% of bacteria

Express Wash

Quick 30-minute cycle for lightly soiled loads

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, heating element issue Refill rinse aid, check heating element function

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

LDFN4542B

14 Place Settings Dishwasher

LDFN4542S

Stainless Steel Dishwasher

LDFN4542W

White Dishwasher

LDFN4542T

Titanium Dishwasher

Popular Previous Models

LDF5545ST

15 Place Settings Dishwasher

LDF7551ST

Smart Dishwasher

LDT9965BD

Top Control Dishwasher

LDP6797BD

Stainless Steel Interior

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