Installation Guide
Tools Needed:
- Adjustable wrench
- Level
- Screwdrivers (flat and Phillips)
- Pipe wrench
- Tape measure
Step-by-Step Installation
- Choose Installation Location: Select a location near water supply, drain, and electrical connections on a solid, level floor.
- 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.
- 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 | LDF7774ST |
| 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) | 34.5 x 23.8 x 24.5 inches |
| Weight | 105 lbs |
| Wash Cycles | 6 Wash Cycles |
Warranty Information
- Full Warranty: 1 year 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, providing superior cleaning coverage for even the toughest stuck-on foods.
TrueSteam™
Steam technology helps to remove tough, baked-on foods while sanitizing dishes and reducing water spots for sparkling clean results.
LoDecibel™ Operation
Advanced sound reduction technology ensures quiet operation at just 44 dBA, making it one of the quietest dishwashers available.
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
Adjustable upper rack with fold-down tines provides flexible loading options for tall items and oddly shaped dishes.
Wash Cycles Explained
Heavy
Intensive cleaning for pots, pans, and heavily soiled dishes
Normal
Standard cleaning for everyday dishes with normal soil
Light
Quick wash for lightly soiled dishes and glassware
Rinse Only
Rinses dishes to prevent dried-on food until full load is ready
Speed Wash
Fast cleaning cycle for lightly soiled loads in just 30 minutes
Sanitary
High-temperature wash with steam for sanitizing baby bottles
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 cycle | Reduce load size, use correct detergent, select appropriate cycle |
| 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, high humidity, plastic items | Refill rinse aid, use heated dry option, separate plastic items |
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
LDF7774ST
14 Place Settings Dishwasher
LDF7774BD
Black Stainless Dishwasher
LDF7774WW
White Dishwasher
LDF7774CA
Canadian Model
Popular Previous Models
LDF5545ST
14 Place Settings
LDF7930ST
Stainless Steel
LDF7555ST
Quiet Series
LDF8072ST
Smart Series