Installation Guide
Tools Needed:
- Adjustable wrench
- Level
- Screwdrivers (flat and Phillips)
- Pliers
- Tape measure
- Drill with bits
Step-by-Step Installation
- Choose Installation Location: Select a location near necessary plumbing and electrical connections under a countertop.
- Remove Packaging Materials: Remove all shipping materials and protective films 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 the 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 the dishwasher to the underside of the countertop.
- 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 dB |
| 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 23.75 x 24.5 inches |
| Weight | 105 lbs |
| Drying System | Condensation Drying with Heat |
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
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 without belts or pulleys, reducing noise and increasing reliability.
TrueSteam® Technology
Steam technology helps to remove tough, baked-on foods while sanitizing dishes and reducing the need for pre-rinsing.
LoDecibel™ Quiet Operation
Advanced sound insulation and Direct Drive motor technology combine to deliver ultra-quiet operation at just 44 dB.
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 Cycle Options
Heavy Wash
Intensive cleaning for pots, pans, and heavily soiled dishes
Normal Wash
Standard cleaning for everyday dishes and tableware
Light Wash
Quick cycle for lightly soiled dishes and glassware
Rinse Only
Rinse cycle to prevent food from drying on dishes
Sanitize
High-temperature wash that eliminates 99.9% of bacteria
Express Wash
Fast 30-minute cycle for lightly soiled loads
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 loading | Reduce load size, use correct detergent, ensure proper loading |
| 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, high humidity, incorrect cycle | Refill rinse aid, use heated dry option, select proper 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
LDF7774ST
Stainless Steel Built-in Dishwasher
LDF7774BD
Black Stainless Dishwasher
LDF7774WW
White Built-in Dishwasher
LDF7774CA
Custom Panel Ready Dishwasher
Popular Previous Models
LDP6797ST
Stainless Steel Dishwasher
LDF5545ST
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LDT9965BD
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LDF7930ST
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