LG Dishwasher LDFN343

User Manual & Installation Guide

Built-in Dishwasher

Installation Guide

Tools Needed:

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

Step-by-Step Installation

  1. Prepare Installation Space: Ensure cabinet opening meets required dimensions and has proper clearance for water and electrical connections.
  2. Remove Shipping Materials: Remove all protective films, tapes, and shipping bolts from the dishwasher.
  3. Connect Water Supply: Connect hot water supply line to the water inlet valve. Use only new hoses and ensure tight connections.
  4. Connect Drain Hose: Route the drain hose to the sink drain or garbage disposal with a high loop to prevent backflow.
  5. Electrical Connection: Connect to a properly grounded 120V, 15A, AC only dedicated circuit. Follow local electrical codes.
  6. Secure in Cabinet: Slide dishwasher into cabinet opening and secure with mounting brackets to 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 LDFN343ST
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++ (Energy Efficient)
Water Consumption 10.5 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
  • 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 provides reliable and quiet operation with fewer moving parts, ensuring long-lasting performance and reduced maintenance.

QuadWash™ Technology

Four multi-directional spray arms target every corner of the dishwasher, providing superior cleaning coverage for even the most challenging loads.

TrueSteam™

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

LoDecibel™ Quiet Operation

Advanced sound insulation and Direct Drive motor technology combine to deliver ultra-quiet operation at only 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 with fold-down tines provides flexible loading options for tall items and oddly shaped dishes.

Wash Programs Explained

Heavy Wash

Intensive cleaning for pots, pans, and heavily soiled dishes

Normal Wash

Standard cleaning for everyday dishes and cookware

Light Wash

Quick cleaning for lightly soiled dishes and glassware

Eco Wash

Energy-efficient cycle that saves water and electricity

Speed Wash

Fast cleaning cycle for when you need dishes quickly

Rinse Only

Rinses dishes to prevent food from drying on

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 spray arms for obstructions, 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

LDFN343ST

Built-in Dishwasher

LDFN343WH

White Built-in Dishwasher

LDFN343BK

Black Built-in Dishwasher

LDFN343SS

Stainless Steel Dishwasher

Popular Previous Models

LDP6797ST

Top Control Dishwasher

LDF5545ST

Stainless Steel Dishwasher

LDT9965BD

Black Dishwasher

LDF8072ST

Stainless Steel Dishwasher

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