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.
- Secure to Countertop: Use mounting brackets to secure dishwasher to the underside of countertop.
- Test Run: Run the dishwasher through a complete cycle to check for leaks and proper operation.
Specifications
| Model Series | LDPN454HT |
| Type | Built-in Dishwasher |
| Color | Stainless Steel |
| Place Settings | 14 Place Settings |
| Noise Level | 44 dBA |
| Control Type | Touch Controls with LED Display |
| Energy Rating | ENERGY STAR® Certified |
| Water Consumption | 2.9 Gallons per Cycle |
| Power Requirements | 120V, 60Hz, 15A |
| Dimensions (HxWxD) | 33.875 x 23.875 x 24.5 inches |
| Weight | 105 lbs |
| Drying System | Condensation Drying |
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 arm 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®
Steam technology helps to remove tough, baked-on foods and sanitize dishes, leaving them hygienically clean and ready to use.
LoDecibel™ Quiet Operation
Advanced sound insulation and Direct Drive motor technology provide ultra-quiet operation at only 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 odd-shaped dishes.
Wash Programs
Heavy Wash
Intensive cleaning for heavily soiled pots, pans, and bakeware
Normal Wash
Standard cleaning for everyday dishes and tableware
Light Wash
Quick cleaning for lightly soiled dishes and glassware
Express Wash
Fast 30-minute cycle for lightly soiled items
Sanitary Cycle
High-temperature wash with steam for sanitization
Rinse Only
Quick rinse to prevent food from drying on dishes
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 load evenly |
| Dishes not drying | Rinse aid empty, incorrect cycle selection | Refill rinse aid, use heated dry or sanitize 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
LDPN454HT
14 Place Settings Dishwasher
LDPN454HB
Black Stainless Dishwasher
LDPN454HW
White Dishwasher
LDPN454HS
Stainless Steel Dishwasher
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