Installation Guide
Tools Needed:
- Adjustable wrench
- Level
- Screwdrivers (flat and Phillips)
- Pipe wrench
- Tape measure
- Drill with bits
Step-by-Step Installation
- Prepare Cabinet Opening: Ensure cabinet opening meets required dimensions and is level and square.
- Remove Shipping Materials: Remove all protective packaging and shipping bolts from the dishwasher.
- Connect Water Supply: Connect hot water supply line to the water inlet valve. Use only new hoses and ensure proper sealing.
- Connect Drain Hose: Route the drain hose to the drain connection with a high loop to prevent backflow.
- Electrical Connection: Connect to a properly grounded 120V, 60Hz, dedicated circuit. Follow local electrical codes.
- Position Dishwasher: Slide the dishwasher into the cabinet opening, ensuring it is level and properly aligned.
- Secure Installation: Secure the dishwasher to the countertop or adjacent cabinets using mounting brackets.
- 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 | 85 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
- 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 technology provides reliable performance with reduced noise and vibration, ensuring long-lasting durability.
QuadWash™ Technology
Four multi-directional spray arms target every corner of the dishwasher, providing superior cleaning coverage for even the toughest stuck-on food.
TrueSteam™
Steam technology helps to remove tough, baked-on food while reducing water spots, leaving dishes sparkling clean and sanitized.
LoDecibel™ Operation
Advanced sound insulation and Direct Drive motor technology combine to create one of the quietest dishwashers on the market 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
Adjustable upper rack with fold-down tines provides flexible loading options for tall items and odd-shaped dishes.
Wash Cycle Programs
Heavy
Intensive cleaning for heavily soiled pots, pans, and dishes
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
Speed Wash
Fast cleaning cycle for lightly soiled loads in under 30 minutes
Sanitary
High-temperature wash with steam for sanitization
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, heating element issue | 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 operation
Manual Downloads
Current Model Manuals
LDF7774ST
Built-in Dishwasher with QuadWash
LDFN454HT
Built-in Dishwasher with TrueSteam
LDP6810SS
Built-in Dishwasher with SmartThinQ
LDF5545ST
Built-in Dishwasher Stainless Steel
Popular Previous Models
LDF7924ST
Built-in Dishwasher with EasyRack
LDT9965BD
Built-in Dishwasher Black Stainless
LDP6797ST
Built-in Dishwasher with LoDecibel
LDF7551ST
Built-in Dishwasher Stainless Steel