Installation Guide
Tools Needed:
- Adjustable wrench
- Level
- Screwdrivers (flat and Phillips)
- Pipe wrench
- Tape measure
- Drill with bits
Step-by-Step Installation
- Choose Installation Location: Select a location near necessary plumbing and electrical connections on a solid, level floor under a countertop.
- Remove Packaging Materials: Remove all shipping materials and protective films from the dishwasher.
- Prepare Water Connection: Connect hot water supply line to the water inlet valve. Use only new hoses and ensure proper sealing.
- Connect Drain Hose: Route the drain hose into the sink drain or garbage disposal with a high loop to prevent backflow.
- Electrical Connection: Connect to a properly grounded 120V, 60Hz, AC only outlet. Dedicated circuit recommended.
- Secure to Countertop: Use mounting brackets to secure the dishwasher to the underside of the countertop.
- Level the Dishwasher: Adjust the leveling legs to ensure the dishwasher is level from front to back and side to side.
- Test Run: Run the dishwasher through a complete cycle to check for leaks and proper operation.
Specifications
Model Series | LDFN4542S |
Type | Built-in Dishwasher |
Color | Stainless Steel |
Place Settings | 14 Place Settings |
Noise Level | 44 dBA |
Control Type | Touch Controls with LED Display |
Energy Rating | Energy Star Certified |
Water Consumption | 2.9 gallons per cycle |
Power Requirements | 120V, 60Hz, 15A |
Dimensions (HxWxD) | 34.5 x 23.75 x 24.5 inches |
Weight | 105 lbs |
Wash Cycles | 6 Wash Cycles |
Warranty Information
- Full Warranty: 1 year parts and labor
- Direct Drive Motor Warranty: 10 years on Direct Drive Motor
- Additional Coverage: Optional extended warranty available
For warranty service, contact LG Customer Service at 1-800-243-0000 or visit LG.com
Key Features
Direct Drive Motor
LG's innovative Direct Drive motor connects directly to the wash system without belts or pulleys, reducing noise and vibration while increasing reliability and efficiency.
QuadWash™ Technology
Four multi-directional spray arms target every corner of the dishwasher, ensuring thorough cleaning of all dishes, even heavily soiled pots and pans.
TrueSteam® Technology
Steam technology helps to remove tough, baked-on food, reduce allergens, and sanitize dishes, leaving them hygienically clean and fresh.
LoDecibel™ Operation
Advanced sound insulation and Direct Drive motor technology combine to deliver ultra-quiet operation at just 44 dBA.
SmartThinQ Technology
Wi-Fi enabled for remote control via smartphone app, allowing you to monitor cycle status, download additional programs, and receive completion alerts.
EasyRack™ Plus System
Adjustable upper rack and fold-down tines provide flexible loading options for dishes, pots, pans, and oversized items.
Wash Cycles Explained
Heavy
Intensive cleaning for pots, pans, and heavily soiled dishes
Normal
Standard wash for everyday dishes with normal soil levels
Light
Quick wash for lightly soiled dishes and glassware
Rinse Only
Rinse cycle to prevent dried-on food without full wash
Sanitary
High-temperature wash to eliminate 99.9% of bacteria
Express
Fast cycle for lightly soiled dishes in just 30 minutes
Troubleshooting
Problem | Possible Cause | Solution |
---|---|---|
Dishwasher won't start | Power issue, door not closed properly | Check power supply, ensure door is latched completely |
Poor cleaning results | Overloading, wrong detergent, incorrect loading | Reduce load size, use correct detergent, ensure proper loading |
Water not draining | Drain hose clogged or kinked | Check drain hose for obstructions or kinks, clean filter |
Leaking water | Door not sealed, overfilling, loose connections | Check door seal, ensure proper detergent amount, check connections |
Unusual noises | Foreign objects in spray arms, dishes touching | Check for foreign objects, rearrange dishes properly |
Dishes not drying | Rinse aid empty, heating element issue | Refill rinse aid, check heating element function |
Error Codes
- IE: Water supply issue - Check water supply and inlet valve
- OE: Drain issue - Check drain hose and pump
- FE: Flooding detected - Check for leaks and water supply
- LE: Motor issue - Contact service center
- dE: Door not closed properly - Ensure door is fully closed
- HE: Heating element issue - Contact service center
Manual Downloads
Current Model Manuals
LDFN4542S
Built-in Dishwasher with QuadWash
LDFN4542B
Black Stainless Dishwasher
LDFN4542W
White Built-in Dishwasher
LDFN4541S
Standard Built-in Dishwasher
Popular Previous Models
LDF5545ST
Stainless Steel Dishwasher
LDF7924ST
Stainless Tall Tub Dishwasher
LDT9965BD
Black Stainless Tall Tub
LDP6797BD
Black Stainless Dishwasher