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 kitchen 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 braided stainless steel hoses.
- 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, 15A, AC only dedicated circuit. 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.
- Secure to Countertop: Use mounting brackets to secure the dishwasher to the underside of the countertop.
- 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 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 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.
QuadWash™ Technology
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, reduce allergens, and sanitize dishes, leaving them hygienically clean.
LoDecibel™ Quiet Operation
Advanced sound insulation and Direct Drive motor technology combine to create one of the quietest dishwashers on the market at just 44 dB.
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
Flexible racking system with adjustable tines and fold-down cup shelves to accommodate dishes, pots, and pans of various sizes.
Wash Programs Explained
Heavy Wash
Intensive cleaning for pots, pans, and heavily soiled dishes
Normal Wash
Standard cleaning for everyday dishes and tableware
Light Wash
Quick cycle for lightly soiled dishes with energy efficiency
Rinse Only
Quick rinse to prevent food from drying on dishes
Sanitize
High-temperature wash to eliminate 99.9% of bacteria
Crystal Dry
Special drying program for plastic items and delicate glassware
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, load dishes properly |
| 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, improper loading | Check for foreign objects, reload dishes properly |
| Dishes not drying | Rinse aid empty, wrong cycle selected | Refill rinse aid, select proper drying cycle |
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
14 Place Settings Dishwasher
LDPN454HT
QuadWash™ Dishwasher
LDFN455HT
SmartThinQ Dishwasher
LDPN455HT
Stainless Steel Dishwasher
Popular Previous Models
LDFN424HT
12 Place Settings Dishwasher
LDPN424HT
Standard Dishwasher
LDFN434HT
Quiet Series Dishwasher
LDPN434HT
Energy Star Dishwasher