LG Dishwasher LDFN4542S

Installation Manual & User Guide

LDFN4542S Model

Installation Guide

Tools Needed:

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

Step-by-Step Installation

  1. Choose Installation Location: Select a location near necessary plumbing and electrical connections on a solid, level floor under a countertop.
  2. Remove Packaging Materials: Remove all shipping materials and protective films from the dishwasher.
  3. Prepare Water Connection: 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 the 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. Secure to Countertop: Use mounting brackets to secure the dishwasher to the underside of the countertop.
  7. Level the Dishwasher: Adjust the leveling legs to ensure the dishwasher is level from front to back and side to side.
  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 LDFN4542S
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 Energy Star Certified
Water Consumption 2.9 gallons per cycle
Power Requirements 120V, 60Hz, 15A
Dimensions (HxWxD) 34.5 x 23.75 x 24.5 inches
Weight 105 lbs
Wash Cycles 6 Wash Cycles

Warranty Information

  • Full Warranty: 1 year 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™ Technology

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

TrueSteam® Technology

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

LoDecibel™ Operation

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

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

Adjustable upper rack and fold-down tines provide flexible loading options for dishes, pots, pans, and oversized items.

Wash Cycles Explained

Heavy

Intensive cleaning for pots, pans, and heavily soiled dishes

Normal

Standard wash for everyday dishes with normal soil levels

Light

Quick wash for lightly soiled dishes and glassware

Rinse Only

Rinse cycle to prevent dried-on food without full wash

Sanitary

High-temperature wash to eliminate 99.9% of bacteria

Express

Fast cycle for lightly soiled dishes in just 30 minutes

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 loading Reduce load size, use correct detergent, ensure proper loading
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, dishes touching Check for foreign objects, rearrange dishes properly
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

LDFN4542S

Built-in Dishwasher with QuadWash

LDFN4542B

Black Stainless Dishwasher

LDFN4542W

White Built-in Dishwasher

LDFN4541S

Standard Built-in Dishwasher

Popular Previous Models

LDF5545ST

Stainless Steel Dishwasher

LDF7924ST

Stainless Tall Tub Dishwasher

LDT9965BD

Black Stainless Tall Tub

LDP6797BD

Black Stainless Dishwasher

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