LG Dishwasher LDFC2423B Manual

The LG LDFC2423B is a 24-inch built-in dishwasher featuring QuadWash™ technology with multi-motion arms, LoDecibel™ quiet operation, TrueSteam™ for sanitizing, SmartThinQ™ connectivity, multiple wash cycles (Heavy, Normal, Light, Rinse Only, Express Wash), adjustable racks, soil sensor, delay start, and child lock. 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 Cycle Selection 7. Care & Maintenance 8. SmartThinQ™ Features 9. Regulatory Information 10. Troubleshooting

Features at a Glance

Key components: Control Panel, QuadWash™ Spray Arms, Third Rack (Top Rack), Silverware Basket, Filter System, Drain Pump, Water Inlet Valve.

FeatureDescription
QuadWash™ TechnologyMulti-motion spray arms for thorough cleaning
LoDecibel™ OperationQuiet performance (44 dBA)
TrueSteam™Sanitizes dishes and reduces spots
SmartThinQ™Wi-Fi connectivity for remote control
Soil SensorAutomatically adjusts wash time and water usage
Adjustable RacksFold-down tines and adjustable upper rack
Cycle OptionsHeavy, Normal, Light, Rinse Only, Express Wash
Delay StartSet wash cycle to begin later (1-24 hours)
Child LockLocks control panel during operation
Energy Star CertifiedEnergy efficient operation

Installation

Unpack and inspect contents. Ensure proper location and connections.

  1. Prepare opening: Ensure 24-inch cabinet opening with level floor.
  2. Connect water supply: Attach hot water line (120°F recommended) to inlet valve.
  3. Connect drain hose: Use high loop or air gap to prevent backflow.
  4. Electrical connection: Plug into dedicated 120V, 15A grounded outlet.
  5. Secure dishwasher: Level and fasten to adjacent cabinets.

WARNING! Installation should be performed by qualified technician. Ensure water and electrical connections are secure to prevent leaks or shock hazard.

First-Time Setup

After installation, prepare for first use.

  1. Remove shipping materials: Take out all foam blocks and tape from interior.
  2. Run initial rinse cycle: Add 2 cups white vinegar to bottom of empty dishwasher, run Normal cycle.
  3. Load detergent: Fill main detergent cup with recommended detergent.
  4. Set preferences: Configure options like sound, rinse aid dispenser, and default settings.
  5. Connect to SmartThinQ: Download app and follow pairing instructions.

CAUTION! Do not use dishwasher until initial rinse cycle is complete. Ensure all packing materials are removed.

Specifications

Controls and Settings

Control Panel: POWER, CYCLE SELECTION (Heavy, Normal, Light, Rinse Only, Express Wash), OPTIONS (Hi-Temp Wash, Sanitize, Delay Start, Lock), START/PAUSE.

Cycle Details: Heavy (for pots/pans, 150min), Normal (everyday dishes, 120min), Light (lightly soiled, 95min), Rinse Only (rinse without detergent, 15min), Express Wash (quick wash, 60min).

Options: Hi-Temp Wash (increases water temperature), Sanitize (uses TrueSteam™), Delay Start (1-24 hours), Lock (child lock). Settings: Sound On/Off, Rinse Aid Dispenser (adjust level 1-6), Default Cycle (set preferred cycle).

Loading and Cycle Selection

For optimal cleaning, load properly and select appropriate cycle.

  1. Scrape food: Remove large food particles before loading.
  2. Load bottom rack: Pots, pans, plates, bowls facing center.
  3. Load top rack: Glasses, cups, small bowls.
  4. Load third rack: Utensils, small items, ladles.
  5. Add detergent: Use recommended detergent in main cup.
  6. Select cycle: Choose based on soil level (Heavy, Normal, Light).
  7. Add options: Select Hi-Temp, Sanitize, or Delay as needed.
  8. Start: Close door firmly, press START.

Tip: Do not overload racks. Ensure spray arms can rotate freely.

Care & Maintenance

Regular maintenance ensures optimal performance.

  1. Clean filter: Remove and rinse filter monthly under running water.
  2. Clean spray arms: Check for clogs monthly, remove debris.
  3. Wipe door gasket: Clean with damp cloth to prevent leaks.
  4. Check rinse aid: Refill when indicator light comes on.
  5. Run cleaning cycle: Monthly, use dishwasher cleaner or 2 cups vinegar.
  6. Exterior cleaning: Wipe with soft damp cloth, mild detergent.

CAUTION! Unplug before maintenance. Do not use abrasive cleaners or scouring pads.

SmartThinQ™ Features

Connect to Wi-Fi for remote monitoring and control.

  1. Download SmartThinQ app from app store.
  2. Create account and follow in-app instructions to add dishwasher.
  3. Features: Remote start/stop, cycle monitoring, cycle completion alerts, diagnostic checks, software updates.
  4. Troubleshooting: App provides error code explanations and solutions.

Note: Requires 2.4GHz Wi-Fi network. Keep dishwasher within router range.

Regulatory Information

UL Listed. FCC Part 15: Class B digital device; complies with interference limits. Energy Star Certified. Copyright © LG Electronics. For support, visit www.lg.com or contact LG Customer Service at 1-800-243-0000.

Troubleshooting

SymptomPossible CauseCorrective Action
Dishwasher won't startDoor not closed, power issueEnsure door latched; check power cord plugged in; circuit breaker not tripped.
Poor cleaning resultsSpray arm clogged, incorrect loadingClean filter and spray arms; reload dishes properly; use recommended detergent.
Water not drainingDrain hose clogged, filter blockedCheck drain hose for kinks; clean filter; ensure garbage disposal cleared if connected.
Leaking waterDoor gasket damaged, overfillingCheck door gasket for debris/damage; ensure proper detergent amount; level dishwasher.
Unusual noiseSpray arm hitting dishes, debris in pumpRearrange load; check for foreign objects in pump area.
Error codes displayedVarious system faultsRefer to manual error code chart; reset by turning power off for 1 minute.

Reset: Turn off power at breaker for 1 minute, then restore.

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

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