LG Dishwasher Model LDF5545ST Manual

The LG Dishwasher Model LDF5545ST is a high-performance stainless steel dishwasher featuring QuadWash™ technology, LoDecibel™ quiet operation, EasyRack™ Plus adjustable upper rack, TrueSteam® technology, SmartThinQ® technology compatibility, multiple wash cycles, and energy-efficient operation. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Loading and Rack System 7. Wash Cycles and Options 8. Smart Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: QuadWash™ spray arms, EasyRack™ Plus adjustable upper rack, TrueSteam® technology, SmartThinQ® compatibility, stainless steel interior, hidden controls.

FeatureDescription
QuadWash™ TechnologyFour spray arms for thorough cleaning
LoDecibel™ OperationQuiet performance at 44 dBA
EasyRack™ PlusAdjustable upper rack with fold-down tines
TrueSteam®Steam cleaning for sanitization
SmartThinQ®Wi-Fi connectivity and app control
Stainless Steel InteriorDurable and resistant to stains
Hidden ControlsTop-mounted control panel
Multiple Wash CyclesHeavy, Normal, Light, Rinse Only, etc.
Delay StartProgram start time up to 19 hours
Soil SensorAutomatically adjusts wash time

Installation

Unpack and inspect contents. Ensure proper electrical and plumbing connections.

  1. Remove shipping materials: Remove all tape and protective coverings.
  2. Connect water supply: Attach hot water line to inlet valve.
  3. Connect drain hose: Ensure proper drainage and air gap installation.
  4. Electrical connection: Plug into dedicated 120V, 15A grounded outlet.
  5. Level the dishwasher: Adjust leveling legs for stability.

WARNING! Ensure proper grounding and water connections to prevent electrical shock and leaks.

First-Time Setup

Prepare dishwasher for initial use and configure settings.

  1. Remove interior packaging: Check for all protective materials.
  2. Run initial rinse cycle: Use Rinse cycle without dishes to clean interior.
  3. Load detergent: Fill detergent dispenser with recommended detergent.
  4. Select wash cycle: Choose appropriate cycle for load type.
  5. Configure settings: Set options like Delay Start and Child Lock if needed.

CAUTION! Use only recommended detergents and rinse aids to avoid damage.

Specifications

Controls and Settings

Access controls via top-mounted panel. Main controls: POWER, CYCLE SELECTION, OPTIONS, START/PAUSE.

Cycle Options: Heavy, Normal, Light, Rinse Only, Speed Wash, Steam.

Settings: Delay Start (1-19 hours), Heated Dry, Sanitize, Child Lock, Soil Sensor. Display shows remaining time, cycle status, and error codes.

Loading and Rack System

Optimize loading for best cleaning results using adjustable rack system.

  1. Upper rack: Adjust height with EasyRack™ Plus system; fold down tines for larger items.
  2. Lower rack: Designed for plates, pots, and pans.
  3. Cutlery basket: Top rack placement for optimal cleaning.
  4. Loading tips: Face soiled surfaces toward spray arms; avoid blocking spray arms.

Tip: Scrape large food particles before loading; do not pre-rinse for energy efficiency.

Wash Cycles and Options

Select appropriate cycle based on soil level and dish type.

  1. Heavy: For pots, pans, and heavily soiled items.
  2. Normal: Everyday dishes with normal soil.
  3. Light: Lightly soiled dishes and quick wash.
  4. Rinse Only: Rinse without detergent for future washing.
  5. Speed Wash: Quick 30-minute cycle for lightly soiled loads.
  6. Steam: Uses TrueSteam® for sanitization and tough stains.

Options: Heated Dry, Sanitize (raises final rinse temperature), Delay Start, Child Lock.

Smart Features

SmartThinQ® technology enables remote monitoring and control.

Features: Remote start/stop, cycle monitoring, diagnostics, energy monitoring, custom cycle creation. Download LG SmartThinQ app and connect dishwasher to Wi-Fi for full functionality.

Care & Cleaning

Regular maintenance ensures optimal performance and longevity.

  1. Clean interior: Monthly cleaning with dishwasher cleaner.
  2. Clean filter: Remove and rinse filter every 1-2 months.
  3. Clean spray arms: Check for clogs and clean as needed.
  4. Exterior cleaning: Wipe with damp cloth; avoid abrasive cleaners.

CAUTION! Unplug dishwasher before cleaning interior components.

Regulatory Information

UL listed; complies with FCC Part 15. Energy Star® certified. Copyright © 2024 LG Electronics; all rights reserved. For support, visit www.lg.com or contact 1-800-243-0000.

Troubleshooting

SymptomPossible CauseCorrective Action
Dishwasher won't startPower/child lockCheck power connection; ensure child lock is off.
Poor cleaning resultsLoading/spray armsCheck spray arm rotation; ensure proper loading.
Water not drainingDrain hose/filterCheck drain hose for kinks; clean filter.
Leaking waterDoor seal/connectionsCheck door seal; ensure proper connections.
Unusual noiseSpray arms/objectsCheck for obstructions in spray arms.

Reset: Unplug for 1 minute or press POWER for 3 seconds.

Service: 1-800-243-0000; www.lg.com

LG Dishwasher Model LDF5545ST Manual © - All Rights Reserved 2025