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 on a solid, level floor under countertop.
- 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 apply pipe thread seal tape.
- 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. 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 | DFN454HT |
| Type | Built-in Dishwasher |
| Color | Stainless Steel / Black |
| Place Settings | 14 Place Settings |
| Noise Level | 39 dB |
| Control Type | Touch Controls with LED Display |
| Energy Rating | A+++ (Most Efficient) |
| Water Consumption | 9.5 L/cycle |
| Power Requirements | 230V, 50Hz, 10A |
| Dimensions (HxWxD) | 81.5 x 59.8 x 55 cm |
| Weight | 45 kg |
| Drying System | Heat Exchange Drying |
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 pulleys, reducing noise and vibration while increasing reliability and efficiency.
Inverter Technology
The advanced inverter motor provides precise control over wash motions, resulting in better cleaning with less damage to dishes and reduced energy consumption.
QuadWash™ System
Four multi-directional spray arms target every corner of the dishwasher, ensuring thorough cleaning of all dishes, even heavily soiled pots and pans.
Steam Technology
TrueSteam™ technology helps to remove tough, baked-on food, reduce allergens, and sanitize dishes, leaving them hygienically clean.
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 39 dB.
Wash Programs Explained
Heavy Wash
Intensive cleaning for pots, pans, and heavily soiled dishes
Normal Wash
Standard cleaning for everyday dishes with normal soiling
Light Wash
Quick cycle for lightly soiled dishes and glassware
Rinse Only
Quick rinse to prevent food from drying on dishes
Sanitize
High-temperature wash to eliminate 99.9% of bacteria
Eco Wash
Energy-efficient cycle with reduced water and energy usage
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
- CE: Control board error - Reset dishwasher or contact service
- PE: Pressure sensor error - Check water level sensor
Manual Downloads
Current Model Manuals
DFN454HT
14 Place Settings DD Dishwasher
DFN452HT
14 Place Settings Steam Dishwasher
DFN457HT
14 Place Settings ThinQ Dishwasher
DFN454HB
14 Place Settings Black Dishwasher
Popular Previous Models
DFN423HT
12 Place Settings DD Dishwasher
DFN405HT
12 Place Settings Steam Dishwasher
DFN427HT
12 Place Settings ThinQ Dishwasher
DFN383HT
10 Place Settings DD Dishwasher