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 water supply, drain, 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 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. Hardwiring may be required for some models.
- 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 | LDFN454ST / LDP6797BD |
| Type | Built-in Dishwasher |
| Color | Stainless Steel / Black Stainless |
| Place Settings | 14-16 place settings |
| Noise Level | 44-49 dBA |
| Control Type | Touch Controls with LED Display |
| Energy Rating | ENERGY STAR® Certified |
| Water Consumption | 2.5-4.5 gallons per cycle |
| Power Requirements | 120V, 60Hz, 15A |
| Dimensions (HxWxD) | 33.75 x 23.75 x 24.5 inches |
| Weight | 75-85 lbs |
| Drying System | Condensation Drying / Heat Dry |
Warranty Information
- Full Warranty: 1 year parts and labor
- Direct Drive 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, providing superior cleaning coverage and removing tough, baked-on food.
TrueSteam® Technology
Steam technology helps to remove tough stains, sanitize dishes, and eliminate odors, leaving dishes hygienically clean and fresh.
LoDecibel™ Quiet Operation
Advanced sound insulation and Direct Drive motor technology provide exceptionally quiet operation as low as 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 provides flexible loading options for tall items and oddly shaped dishes.
Wash Cycle Options
Heavy Wash
Intensive cleaning for pots, pans, and heavily soiled dishes
Normal Wash
Standard cleaning for everyday dishes with normal soil
Light Wash
Quick cycle for lightly soiled dishes and glassware
Rinse Only
Rinses dishes to prevent drying of food particles
Sanitize
High-temperature wash that eliminates 99.99% of bacteria
Express Wash
Fast cycle that washes dishes in under 30 minutes
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Dishwasher won't start | Power issue, door not closed properly, child lock engaged | Check power supply, ensure door is latched completely, check child lock |
| Poor cleaning results | Overloading, wrong detergent, clogged spray arms, hard water | Reduce load size, use correct detergent, clean spray arms, use rinse aid |
| Water not draining | Drain hose clogged or kinked, drain pump blocked | Check drain hose for obstructions or kinks, clean drain pump filter |
| Leaking water | Door not sealed, overfilling, loose connections, worn door gasket | Check door seal, ensure proper detergent amount, check connections, replace gasket |
| Unusual noises | Foreign objects in pump, spray arm hitting dishes, worn motor | Check for foreign objects, rearrange dishes, contact service if motor noise |
| Dishes not drying | Rinse aid empty, high humidity, plastic items, heating element failure | Refill rinse aid, use heat dry option, check heating element |
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
- PE: Pressure switch issue - Check water level sensor
Manual Downloads
Current Model Manuals
LDFN454ST
Top Control Dishwasher with QuadWash
LDP6797BD
Front Control Dishwasher with TrueSteam
LDF7551ST
Smart ThinQ Dishwasher
LDT5678ST
Stainless Steel Dishwasher
Popular Previous Models
LDF5545ST
Stainless Steel Built-in Dishwasher
LDT7808SS
Top Control Smart Dishwasher
LDP6810SS
Front Control Steam Dishwasher
LDF7930ST
Stainless Steel QuadWash