LG Dishwasher LDS5540ST Installation Manual

The LG Dishwasher LDS5540ST is a high-performance stainless steel dishwasher featuring QuadWash™ technology, LoDecibel™ quiet operation, TrueSteam® for enhanced drying, SmartThinQ® technology for Wi-Fi connectivity, EasyRack™ Plus adjustable upper rack, and multiple wash cycles. Below are key sections for safety, installation, setup, operation, and troubleshooting.

Features at a Glance

Key components: Stainless steel tub, QuadWash™ spray arms, EasyRack™ Plus system, control panel, water inlet valve, drain pump, and SmartThinQ® connectivity.

Safety Precautions

Read all instructions before installation and operation.

1. Disconnect power before installation.
2. Ensure proper grounding of electrical outlet.
3. Use copper wiring only for electrical connections.
4. Do not install near heat sources or in damp locations.
5. Verify water supply and drain connections are secure.

WARNING! Risk of electric shock. Disconnect power before servicing. Ensure proper installation to prevent water damage.

Installation Requirements

Tools and materials needed for installation.

• Tools: Adjustable wrench, screwdrivers, level, drill, pipe cutter
• Materials: Water supply line (3/8"), drain hose, electrical cable, wire nuts
• Space Requirements: 24" width, 24" depth, 35" height minimum
• Electrical: 120V, 15A dedicated circuit
• Water Supply: 3/8" water line with shut-off valve
• Drain: Standpipe or garbage disposal connection

Specifications

• Model: LDS5540ST
• Color: Stainless Steel
• Capacity: 14 place settings
• Noise Level: 44 dBA
• Water Consumption: 2.9 gallons per cycle
• Power Requirements: 120V, 60Hz, 15A
• Water Pressure: 20-120 psi
• Dimensions (HxWxD): 33.875" x 23.875" x 24.5"
• Weight: 105 lbs
• Warranty: 10-year limited parts warranty

Installation Steps

Follow these steps for proper installation.

1. Remove packaging and inspect for damage.
2. Position dishwasher in cabinet opening.
3. Level the unit using adjustable feet.
4. Connect water supply line to hot water valve.
5. Connect drain hose to disposal or standpipe.
6. Make electrical connections.
7. Secure dishwasher to countertop.
8. Test operation with first cycle.

CAUTION! Ensure unit is level to prevent leaks and proper operation.

Electrical Connection

Electrical requirements and connection procedure.

1. Turn off power at circuit breaker.
2. Remove access panel on lower front.
3. Connect black wire to black (hot), white wire to white (neutral), green wire to green (ground).
4. Secure with wire nuts and replace cover.
5. Restore power and test.

WARNING! Electrical shock hazard. Hire qualified electrician if unsure.

Water Connection

Water supply connection instructions.

1. Turn off water supply.
2. Connect 3/8" supply line to hot water valve.
3. Connect other end to dishwasher inlet.
4. Hand tighten, then quarter turn with wrench.
5. Check for leaks before final installation.

Tip: Use Teflon tape on threaded connections for better seal.

Drain Connection

Drain hose installation guidelines.

1. Connect drain hose to pump outlet.
2. Route hose through cabinet opening.
3. Connect to disposal or standpipe with hose clamp.
4. Ensure high loop in drain hose to prevent backflow.
5. Secure hose to prevent kinks.

CAUTION! Drain hose must be elevated to prevent siphoning.

Final Setup

Complete installation and initial setup.

1. Slide dishwasher into final position.
2. Level unit and secure to countertop.
3. Install lower access panel.
4. Run initial test cycle without dishes.
5. Check for leaks and proper operation.
6. Download SmartThinQ app for connectivity.

Note: First cycle may take longer as system initializes.

Regulatory Information

UL listed and Energy Star certified. Complies with FCC Part 15. Manufactured by LG Electronics. For support, visit www.lg.com or contact 1-800-243-0000. Copyright © 2023 LG Electronics.

Troubleshooting

Reset: Unplug for 1 minute or turn off circuit breaker.

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