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 necessary plumbing and electrical connections on a solid, level floor under countertop.
- 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 braided stainless steel hoses.
- Connect Drain Hose: Route the drain hose into sink drain or garbage disposal with proper high loop installation.
- Electrical Connection: Connect to a properly grounded 120V, 15A dedicated circuit. Hardwire according to local codes.
- Level the Dishwasher: Adjust the leveling legs to ensure the dishwasher is level from front to back and side to side.
- Secure to Countertop: Install 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 | 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 | 2.9 Gallons per Cycle |
| Power Requirements | 120V, 60Hz, 15A |
| Dimensions (HxWxD) | 34.5 x 23.75 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™ Technology
Four multi-directional spray arms target every corner of the dishwasher, providing complete coverage and superior cleaning performance.
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.
LoDecibel™ Operation
Advanced sound insulation and Direct Drive motor technology combine for ultra-quiet operation at just 44 dBA.
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
Adjustable upper rack with fold-down tines and versatile loading options to accommodate large pots, pans, and oddly shaped items.
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 and glassware
Express Wash
Rapid cleaning cycle for lightly soiled loads in under 30 minutes
Sanitary Cycle
High-temperature wash and rinse to eliminate bacteria
Crystal Wash
Gentle cycle with lower temperature for 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 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 pump, spray arm obstruction | Check for foreign objects, ensure spray arms rotate freely |
| Dishes not drying | Rinse aid empty, heating element failure | Refill rinse aid, check heating element operation |
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 and thermostat
Manual Downloads
Current Model Manuals
LDFN454HT
14 Place Settings Dishwasher
LDPH7972ST
QuadWash Pro Dishwasher
LDFC42535S
SmartThinQ Dishwasher
LDFN4542B
Black Stainless Dishwasher
Popular Previous Models
LDF7924ST
24" Top Control Dishwasher
LDP6797BD
QuadWash Dishwasher
LDT9965BD
TrueSteam Dishwasher
LDS5821ST
Stainless Steel Dishwasher