Installation Guide
Tools Needed:
- Adjustable wrench
- Level
- Screwdrivers (flat and Phillips)
- Pliers
- Tape measure
- Pipe thread seal tape
Step-by-Step Installation
- Choose Installation Location: Select a location near necessary plumbing and electrical connections with proper clearance for door opening.
- Remove Shipping Materials: Remove all shipping bolts, brackets and packaging materials from the dishwasher.
- Connect Water Supply: Connect hot water supply line to the water inlet valve. Use only new hoses and apply pipe thread seal tape.
- 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 |
| Place Settings | 14 Place Settings |
| Noise Level | 44 dBA |
| Control Type | Touch Controls with LED Display |
| Energy Rating | A+++ (Most Efficient) |
| Water Consumption | 2,900 L/year |
| Power Requirements | 230V, 50Hz, 10A |
| Dimensions (HxWxD) | 82 x 60 x 55 cm |
| Weight | 45 kg |
| Wash Cycles | 8 Wash Programs |
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 Technology
Four multi-directional spray arms target every corner of the dishwasher, ensuring thorough cleaning from multiple angles for spotless results.
ThinQ Technology
Wi-Fi enabled for remote control via smartphone app, allowing you to monitor cycle status, download additional programs, and receive completion alerts.
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, dried-on foods, reduce allergens, and sanitize dishes, leaving them hygienically clean.
LoDecibel Quiet Operation
Advanced sound insulation and Direct Drive motor technology combine for whisper-quiet operation at just 44 dBA.
EasyRack Plus System
Fully adjustable upper rack with fold-down tines provides flexible loading options for tall items and odd-shaped dishes.
Wash Programs Explained
Heavy Wash
Intensive cleaning for heavily soiled pots, pans and bakeware
Normal Wash
Standard cleaning for everyday dishes with normal soil
Light Wash
Quick cycle for lightly soiled dishes and glassware
Express Wash
Rapid cleaning cycle for when you're in a hurry
Eco Wash
Energy-efficient cycle that saves water and electricity
Steam Clean
Steam cycle for sanitizing and removing tough stains
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, spray arms blocked | Reduce load size, use correct detergent, clean spray arms |
| Water not draining | Drain hose clogged or kinked, filter blocked | Check drain hose for obstructions, clean filter system |
| Leaking water | Door not sealed, overfilling, loose connections | Check door seal, ensure proper detergent amount, check connections |
| Unusual noises | Foreign objects in tub, spray arms hitting dishes | Check for foreign objects, rearrange dishes properly |
| Dishes not drying | Rinse aid empty, high humidity, plastic items | Refill rinse aid, use heated dry option, separate plastic items |
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 ThinQ Dishwasher
LDFN454ST
QuadWash Steam Dishwasher
LDFN454BK
QuadWash Black Dishwasher
LDFN454WH
QuadWash White Dishwasher
Popular Previous Models
LDP6797ST
14 Place Dishwasher
LDF7551ST
QuadWash Standard
LDT9966BD
Top Control Dishwasher
LDF5545ST
Stainless Steel Dishwasher