Installation Guide
Tools Needed:
- Adjustable wrench
- Level
- Screwdrivers (flat and Phillips)
- Pipe cutter
- Tape measure
- Drill with bits
Step-by-Step Installation
- Choose Installation Location: Select a location near water supply, drain, 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 and ensure proper sealing.
- Connect Drain Hose: Route the drain hose into 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.
- Level the Dishwasher: Adjust the leveling legs to ensure the dishwasher is level from front to back and side to side.
- Secure to Countertop: Use mounting brackets to secure dishwasher to underside of countertop.
- Test Run: Run the dishwasher through a complete cycle to check for leaks and proper operation.
Specifications
| Model Series | DFN454HT |
| Type | Built-in Dishwasher |
| Color | Stainless Steel / Black |
| Capacity | 14 Place Settings |
| Noise Level | 39 dB |
| Control Type | Touch Controls with LED Display |
| Energy Rating | A+++ (Most Efficient) |
| Water Consumption | 9.5 L per cycle |
| Power Requirements | 120V, 60Hz, 15A |
| Dimensions (HxWxD) | 82 x 60 x 55 cm |
| Weight | 45 kg |
| Drying System | Heat Exchange with Natural Condensation |
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
Direct Drive Motor
LG's innovative Direct Drive motor connects directly to the wash system without belts or gears, reducing noise and vibration while increasing reliability and efficiency.
Inverter Technology
The advanced inverter motor provides precise control over wash cycles, resulting in better cleaning with less energy consumption and quieter operation.
QuadWash™ System
Four multi-directional spray arms target every corner of the dishwasher, ensuring complete coverage and superior cleaning performance.
TrueSteam™ Technology
Steam technology helps to remove tough, baked-on food particles and sanitize dishes, leaving them hygienically clean and sparkling.
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 technology combine to deliver ultra-quiet operation at just 39 dB.
Wash Programs Explained
Heavy Wash
Intensive cleaning for heavily soiled pots, pans, and baking dishes
Normal Wash
Standard cleaning for everyday dishes and tableware
Light Wash
Gentle cleaning for lightly soiled items and quick refresh
Eco Wash
Energy-efficient cycle that saves water and electricity
Speed Wash
Quick 30-minute cycle for lightly soiled items
Sanitize Cycle
High-temperature cycle that eliminates 99.9% of bacteria
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, 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 - Check heating element function
Manual Downloads
Current Model Manuals
DFN454HT
14 Place Settings DD Dishwasher
DFN452HT
14 Place Settings Steam Dishwasher
DFN457HS
14 Place Settings ThinQ Dishwasher
DFN454HW
14 Place Settings White Dishwasher
Popular Previous Models
LDFN4542B
14 Place Settings DD Dishwasher
LDP6797BD
15 Place Settings Steam Dishwasher
LDT9968BD
14 Place Settings ThinQ Dishwasher
LDF7552ST
12 Place Settings DD Dishwasher