LG Dishwasher LDF7774ST

User Manual & Installation Guide

Stainless Steel Finish

Installation Guide

Tools Needed:

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

Step-by-Step Installation

  1. Choose Installation Location: Select a location near necessary plumbing and electrical connections on a solid, level floor.
  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 a standpipe 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. 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 LDF7774ST
Type Built-in Dishwasher
Color Stainless Steel
Capacity 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 23.8 x 24.5 inches
Weight 105 lbs
Drying System Heat Dry with Fan Assist

Warranty Information

  • Full Warranty: 1 year 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™ Technology

Four multi-directional spray arms target every corner of the dishwasher, providing complete coverage and superior cleaning performance.

Direct Drive Motor

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

TrueSteam® Technology

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

LoDecibel™ Operation

Advanced sound insulation and motor technology provide ultra-quiet operation at only 44 dBA, quieter than normal conversation.

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 and versatile configurations to accommodate large pots, pans, and oddly shaped items.

Wash Cycle Options

Heavy Wash

Intensive cleaning for heavily soiled pots, pans, and baking dishes

Normal Wash

Standard cleaning for everyday dishes with normal soil levels

Light Wash

Quick cleaning for lightly soiled dishes and glassware

Rinse Only

Quick rinse to prevent food from drying on dishes

Sanitize

High-temperature wash that eliminates 99.9% of bacteria

Express Wash

Fast 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 loading Reduce load size, use correct detergent, load dishes properly
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, reposition dishes
Dishes not drying Rinse aid empty, heat dry disabled Refill rinse aid, enable heat dry option

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

LDF7774ST

Stainless Steel Dishwasher

LDF7774BD

Black Stainless Dishwasher

LDF7774WH

White Dishwasher

LDF7774SS

Stainless Steel with PrintShield

Popular Previous Models

LDP6797ST

Stainless Steel Dishwasher

LDF5545ST

Stainless Steel Dishwasher

LDT9965BD

Black Stainless Dishwasher

LDFN454HT

Stainless Steel Dishwasher

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