LG Direct Drive Dishwasher Service Manual

The LG Direct Drive Dishwasher features innovative direct drive motor technology, multiple wash cycles, energy-efficient operation, smart connectivity options, and advanced cleaning performance. This service manual provides comprehensive information for installation, operation, maintenance, and troubleshooting of LG Direct Drive Dishwasher models. Below are key sections covering safety procedures, technical specifications, installation guidelines, operational features, and service troubleshooting.

Features at a Glance

Key components: Direct Drive Motor, Control Panel, Spray Arms, Filter System, Door Assembly, Water Inlet Valve, Drain Pump, Heating Element.

Installation Guidelines

Unpack and inspect all components. Ensure proper clearance and level installation.

1. Position dishwasher: Allow minimum 2-inch clearance on all sides for ventilation.
2. Connect water supply: Use approved water line with shut-off valve.
3. Connect drain line: Ensure proper height and secure connection to drain system.
4. Electrical connection: Connect to dedicated 120V, 15A circuit with proper grounding.
5. Level the unit: Adjust leveling feet to ensure proper door seal and operation.

WARNING! Dishwasher must be properly grounded. Ensure water connections are tight to prevent leaks. Use two people for handling during installation.

First-Time Setup

Complete initial setup before first use to ensure optimal performance.

1. Remove shipping materials: Check interior for all protective packaging and remove.
2. Run initial rinse cycle: Use quick rinse cycle without dishes to clean interior.
3. Set preferences: Configure language, sound settings, and default cycle options.
4. Load test run: Run normal cycle with test load to verify proper operation.
5. Connect smart features: Download LG ThinQ app and connect to home Wi-Fi network.

CAUTION! Do not operate without removing all shipping materials. Ensure door seals properly before starting first cycle.

Technical Specifications

• Capacity: Standard 14-place setting capacity
• Dimensions: 24-inch width, 34-inch height, 24-inch depth
• Water Consumption: 2.5-4.5 gallons per cycle
• Power Requirements: 120V AC, 60Hz, 15A dedicated circuit
• Noise Level: 44 dBA (Quiet Operation)
• Wash Cycles: Heavy, Normal, Light, Rinse Only, Sanitize
• Drying System: Heat dry with condensation technology
• Water Pressure: 20-120 psi operating range
• Weight: 85 lbs (net weight)
• Warranty: 10-year limited warranty on direct drive motor

Controls and Settings

Access control panel for cycle selection and settings adjustment.

Control Panel: POWER, CYCLE SELECTION, OPTIONS, START/PAUSE, DELAY START, CHILD LOCK.

Cycle Options: HEAVY (for pots and pans), NORMAL (daily use), LIGHT (lightly soiled), RINSE ONLY (rinse and hold), SANITIZE (high temperature). Settings: Temperature boost, Extra dry, Half load, Delay start (1-24 hours), Sound on/off, Child lock. Smart Features: Remote start/stop, Cycle monitoring, Energy usage tracking, Diagnostic alerts via LG ThinQ app.

Connecting Utilities

Proper utility connections essential for optimal performance and safety.

1. Water Supply: Connect to cold water line only with 3/8-inch compression fitting.
2. Drain Connection: Use high-loop installation or air gap as required by local codes.
3. Electrical: Dedicated 15-amp circuit with proper grounding required.
4. Ventilation: Maintain minimum clearance for proper air circulation.

Tip: Use thread seal tape on all water connections. Test for leaks before final installation.

Operating Procedures

Standard operating procedures for optimal cleaning performance.

1. Loading: Scrape large food particles, load dishes according to rack guides.
2. Detergent: Use recommended dishwasher detergent in dispenser cup.
3. Rinse Aid: Fill rinse aid reservoir for improved drying and spot prevention.
4. Cycle Selection: Choose appropriate cycle for soil level and dish type.
5. Start Operation: Close door securely, press START to begin cycle.
6. Cycle Monitoring: Check progress via control panel or app notification.
7. Unloading: Allow brief cooling period before removing dishes.

WARNING! Do not use regular dish soap. Load sharp items with care. Ensure door is fully closed before starting cycle.

Maintenance Features

Regular maintenance ensures long-term performance and reliability.

Filter Cleaning: Remove and clean filter monthly under running water. Spray Arm Inspection: Check for clogs and free rotation quarterly. Door Seal Maintenance: Wipe clean and inspect for damage regularly. Descaling: Run vinegar cycle monthly in hard water areas. Self-Cleaning Filter: Automatic cleaning during drain cycle with manual override.

Care & Cleaning

Proper care maintains appearance and performance.

Exterior: Clean with soft, damp cloth and mild detergent. Interior: Wipe with damp cloth, avoid abrasive cleaners. Control Panel: Use only soft, dry cloth for cleaning. Racks: Clean with soft brush and warm water. Door Gasket: Inspect regularly and clean with mild soap solution.

CAUTION! Do not use abrasive cleaners, steel wool, or harsh chemicals. Unplug unit before cleaning control panel area.

Regulatory Information

UL Listed: Complies with UL 749 standards for household dishwashers. Energy Star: Meets ENERGY STAR requirements for energy efficiency. FCC Part 15: Class B digital device compliant with residential interference limits. Water Efficiency: Meets EPA WaterSense criteria. Copyright © 2025 LG Electronics; all trademarks property of LG Electronics. For technical support, visit www.lg.com or contact 1-800-243-0000.

Troubleshooting

Reset Procedure: Unplug for 5 minutes or press and hold POWER for 10 seconds.

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