Installation Guide
Tools Needed:
- Adjustable wrench
- Level
- Screwdrivers (flat and Phillips)
- Pipe wrench
- Tape measure
- Drill with bits
Step-by-Step Installation
- Prepare Installation Area: Ensure cabinet opening meets required dimensions and is level, clean, and free of obstructions.
- Remove Shipping Materials: Remove all protective packaging, tape, and shipping bolts from the dishwasher.
- Connect Water Supply: Connect hot water supply line to the water inlet valve using new braided stainless steel hose.
- Connect Drain Hose: Route drain hose to drain connection with high loop to prevent backflow into dishwasher.
- Electrical Connection: Connect to dedicated 120V, 15A, 60Hz grounded electrical circuit. Follow local electrical codes.
- Position and Level: Slide dishwasher into cabinet opening and adjust leveling legs to ensure proper alignment with countertop.
- Secure to Countertop: Use mounting brackets to secure dishwasher to underside of countertop.
- Test Operation: Run dishwasher through a complete cycle to check for leaks and proper operation.
Specifications
| Model Number | 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) | 33.875 x 23.875 x 24.5 inches |
| Weight | 105 lbs |
| Wash Cycles | 6 Wash Cycles |
Warranty Information
- Full Warranty: 1 year parts and labor
- Direct Drive Motor Warranty: 10 years on Direct Drive Motor
- Rack Warranty: 10 years on stainless steel tub and rack
- 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, ensuring thorough cleaning from multiple angles for spotless results.
Direct Drive Motor
LG's innovative Direct Drive motor connects directly to the wash system, providing reliable performance with reduced noise and vibration.
TrueSteam® Technology
Steam technology helps to remove tough, baked-on foods while reducing water spots and eliminating 99.9% of bacteria for hygienic cleaning.
LoDecibel™ Operation
Advanced sound insulation and Direct Drive technology combine for ultra-quiet operation at just 44 dBA, quieter than normal conversation.
SmartThinQ Technology
Wi-Fi enabled for remote control and monitoring via smartphone app, allowing you to start cycles, receive alerts, and diagnose issues remotely.
EasyRack™ Plus System
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 heavily soiled pots, pans, and bakeware
Normal
Standard cleaning for everyday dishes with normal soil levels
Light
Quick wash for lightly soiled dishes and glassware
Rinse Only
Rinses dishes to prevent drying of food particles until full load
Speed Wash
Fast 30-minute cycle for lightly soiled dishes when time is limited
Sanitary
High-temperature wash with steam to eliminate bacteria
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Dishwasher won't start | Power issue, door not latched properly | Check power supply, ensure door is closed completely and latched |
| Poor cleaning results | Overloading, improper loading, wrong detergent | Rearrange load properly, use recommended detergent, select appropriate cycle |
| Water not draining | Drain hose clogged or kinked, filter blocked | Check drain hose for obstructions, clean filter assembly |
| Leaking water | Door not sealed, overfilling, loose connections | Check door seal, ensure proper detergent amount, check water connections |
| Unusual noises | Spray arm obstruction, foreign objects in pump | Check for obstructions in spray arms, remove foreign objects |
| Dishes not drying | Rinse aid empty, high humidity cycle selected | Refill rinse aid dispenser, select heated dry option |
Error Codes
- IE: Water supply issue - Check water supply and inlet valve
- OE: Drain issue - Check drain hose and drain 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 and latched
- HE: Heating element issue - Contact service center
Manual Downloads
Current Model Manuals
LDF7774ST
Stainless Steel Built-in Dishwasher
LDF7774BD
Black Stainless Built-in Dishwasher
LDF7774WH
White Built-in Dishwasher
LDF7774SS
Stainless Steel with PrintShield™
Popular Previous Models
LDP6810SS
Stainless Steel Dishwasher
LDF5545ST
Stainless Steel Built-in
LDT9965BD
Black Stainless Top Control
LDP6797BD
Black Stainless Front Control