LG Direct Drive Dishwasher Manual LDF6920ST

The LG Direct Drive Dishwasher LDF6920ST is a high-performance dishwasher featuring LG's Direct Drive motor technology, multiple wash cycles, energy-saving modes, stainless steel interior, adjustable racks, child lock, delay start, and advanced cleaning features. Below are key sections for safety, features, installation, operation, maintenance, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Loading the Dishwasher 7. Wash Cycles and Options 8. Maintenance and Care 9. Safety Features 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Direct Drive motor, stainless steel tub, adjustable upper rack, silverware basket, control panel, water inlet, drain hose, and power cord.

Feature	Description
Direct Drive Motor	Quiet operation with 10-year warranty
Stainless Steel Interior	Durable and resistant to stains and odors
Adjustable Upper Rack	Flexible loading for tall items
Multiple Wash Cycles	Heavy, Normal, Light, Rinse Only, etc.
Energy Saving Mode	Reduces energy and water consumption
Child Lock	Prevents accidental operation
Delay Start	Programs start time up to 24 hours
Soil Sensor	Automatically adjusts wash time and water usage
Half Load Option	Efficient washing for smaller loads
Sanitize Cycle	Eliminates 99.9% of bacteria

Installation

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

Position dishwasher: Place in designated space under countertop.
Connect water supply: Attach hot water line to inlet valve.
Connect drain hose: Route to sink drain or garbage disposal.
Electrical connection: Plug into grounded 120V outlet.
Level the unit: Adjust leveling legs for stability.

WARNING! Ensure water connections are tight to prevent leaks. Use only dedicated electrical circuit.

First-Time Setup

After installation, prepare for first use.

Remove shipping materials: Check interior for packing blocks and tape.
Run initial rinse cycle: Use Rinse cycle without dishes to clean interior.
Load detergent: Fill detergent dispenser with recommended detergent.
Select settings: Choose desired wash cycle and options.
Start first wash: Close door and press Start.

CAUTION! Do not use regular dish soap - use only dishwasher detergent.

Specifications

Model: LDF6920ST
Type: Built-in Dishwasher
Capacity: 14 place settings
Motor: Direct Drive with 10-year warranty
Interior: Stainless Steel
Water Consumption: 2.5-4.5 gallons per cycle
Energy Consumption: ENERGY STAR certified
Noise Level: 44 dBA (Quiet)
Power Requirements: 120V, 60Hz, 15A
Dimensions: 33.875"H x 23.875"W x 24.5"D

Controls and Settings

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

Wash Cycles: Heavy, Normal, Light, Rinse Only, China/Crystal, Speed Wash, Sanitize

Options: Hi-Temp Wash, Heated Dry, Delay Start, Half Load, Soil Sensor. Settings: Water hardness adjustment, rinse aid dispenser, sound on/off, factory reset.

Loading the Dishwasher

Proper loading ensures optimal cleaning performance.

Lower rack: Place plates, pots, pans, and larger items.
Upper rack: Cups, glasses, bowls, and plastic items.
Silverware basket: Utensils with handles down (except sharp knives).
Adjust racks: Lower or raise upper rack for tall items.
Ensure spray arms can rotate freely.

Tip: Scrape off large food particles but no pre-rinsing needed.

Wash Cycles and Options

Select appropriate cycle for load type and soil level.

Heavy: For pots, pans, and heavily soiled items
Normal: Daily use for regular soil
Light: Lightly soiled items and quick washes
Rinse Only: Rinses without detergent or drying
China/Crystal: Gentle wash for delicate items
Speed Wash: Fast cycle for lightly soiled loads
Sanitize: High-temperature wash to eliminate bacteria

Options: Hi-Temp Wash increases water temperature, Heated Dry improves drying performance.

Maintenance and Care

Regular maintenance ensures optimal performance and longevity.

Clean filter: Remove and clean filter monthly
Check spray arms: Ensure holes are not clogged
Wipe door gasket: Clean rubber seal regularly
Use dishwasher cleaner: Monthly cleaning cycle
Check rinse aid: Refill when indicator light comes on

CAUTION! Unplug before performing any maintenance.

Safety Features

Child Lock: Press and hold CHILD LOCK for 3 seconds to activate/deactivate. Door Safety: Door automatically stops when opening during cycle. Overflow Protection: Automatic shutoff if water level becomes too high. Thermal Protection: Motor protection from overheating.

Regulatory Information

UL Listed: Complies with UL 749 standards. ENERGY STAR Certified: Meets energy efficiency guidelines. FCC Part 15: Class B digital device. Copyright © 2025 LG Electronics; trademarks of LG Corp. For support, visit www.lg.com or contact 1-800-243-0000.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Dishwasher won't start	Power/door	Check power supply; ensure door is fully closed; reset circuit breaker.
Poor cleaning	Loading/detergent	Check loading; use recommended detergent; clean filter.
Water not draining	Drain hose/clog	Check drain hose for kinks; clean drain filter; check garbage disposal.
Leaking water	Door seal/connections	Check door gasket; ensure proper loading; tighten water connections.
Unusual noise	Spray arms/items	Check for items blocking spray arms; ensure proper loading.

Reset: Unplug for 1 minute then reconnect.

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