Installation Guide
Tools Needed:
- Adjustable wrench
- Level
- Screwdrivers (flat and Phillips)
- Pipe wrench
- Tape measure
Step-by-Step Installation
- Choose Installation Location: Select a location near kitchen plumbing and electrical connections on a solid, level floor.
- Remove Shipping Materials: Remove all shipping bolts and packaging materials from the dishwasher.
- Connect Water Supply: Connect hot water supply line to the water inlet valve. Use only new hoses.
- 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. Do not use an extension cord.
- 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 | LDFN454HT |
| Type | Built-in Dishwasher |
| Color | Stainless Steel / Black |
| Capacity | 14 Place Settings |
| Noise Level | 44 dB |
| Control Type | Touch Controls with LED Display |
| Energy Rating | A+++ (Most Efficient) |
| Water Consumption | 2.9 gallons per cycle |
| Power Requirements | 120V, 60Hz, 15A |
| Dimensions (HxWxD) | 34.5 x 23.8 x 24.5 inches |
| Weight | 105 lbs |
| Drying System | Condensation Drying with Heat Exchanger |
Warranty Information
- Full Warranty: 2 years parts and labor
- 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
QuadWash System
Four spray arms instead of two provide multi-directional cleaning coverage, ensuring every dish gets thoroughly cleaned from all angles.
Direct Drive Motor
LG's innovative Direct Drive motor connects directly to the wash system without belts or pulleys, reducing noise and increasing reliability.
TrueSteam Technology
Steam technology helps to remove tough, baked-on food, reduce allergens, and sanitize dishes, leaving them hygienically clean.
EasyRack Plus System
Adjustable upper rack with fold-down tines provides flexible loading options for tall glasses, odd-shaped items, and large platters.
SmartThinQ Technology
Wi-Fi enabled for remote control via smartphone app, allowing you to monitor cycle status, download additional programs, and receive completion alerts.
LoDecibel Quiet Operation
Advanced sound insulation and Direct Drive motor technology combine to deliver ultra-quiet operation at just 44 dB.
Wash Cycle Options
Heavy Wash
Intensive cleaning for pots, pans, and heavily soiled dishes
Normal Wash
Standard cleaning for everyday dishes and cookware
Light Wash
Quick cycle for lightly soiled dishes and glassware
Express Wash
Fast 30-minute cycle for quick cleaning needs
Sanitary Cycle
High-temperature wash with steam for sanitization
Rinse Only
Quick rinse to prevent food from drying on dishes
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 program | Reduce load size, use correct detergent, select appropriate program |
| 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, unbalanced load | Check for foreign objects, redistribute dishes evenly |
| Dishes not drying | Rinse aid empty, high humidity, wrong cycle selected | Refill rinse aid, select heated dry option, ensure proper loading |
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
LDFN454HT
QuadWash with TrueSteam
LDPH797ST
QuadWash Pro
LDFC2423ST
QuadWash ThinQ
LDF5545ST
QuadWash Standard
Popular Previous Models
LDF7922ST
QuadWash 24"
LDT9966BD
QuadWash Black
LDP6797ST
QuadWash Plus
LDF7551ST
QuadWash Compact