Installation Guide
Tools Needed:
- Adjustable wrench
- Level
- Screwdrivers (flat and Phillips)
- Pliers
- Tape measure
- 4-inch diameter rigid metal duct
Step-by-Step Installation
- Choose Installation Location: Select a location near electrical outlet on a solid, level floor with proper ventilation.
- Remove Shipping Materials: Remove all shipping bolts and packaging materials from the dryer.
- Install Exhaust Duct: Connect 4-inch diameter rigid metal duct to dryer exhaust outlet. Keep duct as straight and short as possible.
- Electrical Connection: Connect to a properly grounded 240V, 60Hz, AC only outlet. Do not use an extension cord.
- Level the Dryer: Adjust the leveling legs to ensure the dryer is level from front to back and side to side.
- Gas Connection (if applicable): For gas models, connect gas line using approved connectors and check for leaks.
- Test Run: Run the dryer through a complete cycle to check for proper operation and ventilation.
Specifications
| Model Number | LDF7551ST |
| Type | Electric Dryer |
| Color | Stainless Steel |
| Capacity | 7.4 cu. ft. |
| Noise Level | 65 dB |
| Control Type | Touch Controls with LED Display |
| Energy Rating | ENERGY STAR® Certified |
| Power Requirements | 240V, 60Hz, 30A |
| Dimensions (HxWxD) | 76 x 69 x 76 cm |
| Weight | 59 kg |
| Exhaust Requirements | 4-inch diameter rigid metal duct |
Warranty Information
- Full Warranty: 1 year parts and labor
- Motor Warranty: 10 years on dryer motor
- Drum Warranty: 10 years on stainless steel drum
- Additional Coverage: Optional extended warranty available
For warranty service, contact LG Customer Service at 1-800-243-0000 or visit LG.com
Key Features
Sensor Dry Technology
Automatically senses moisture levels and adjusts drying time accordingly, preventing over-drying and saving energy while protecting your clothes.
Steam Technology
SteamRefresh cycle reduces wrinkles and odors, refreshing clothes without washing. SteamSanitary cycle eliminates 99.9% of bacteria and allergens.
Large Capacity
7.4 cubic foot capacity comfortably handles large loads, including bulky items like comforters and bedding, reducing the number of drying cycles needed.
LoDecibel™ Quiet Operation
Advanced engineering and sound-dampening materials provide exceptionally quiet operation, making it ideal for open living spaces.
SmartThinQ Technology
Wi-Fi enabled for remote control via smartphone app, allowing you to monitor cycle status, download additional programs, and receive completion alerts.
Stainless Steel Drum
Durable stainless steel drum is gentle on clothes and resists rust and chipping, ensuring long-lasting performance and fabric care.
Drying Programs
Normal Dry
Standard drying for everyday cotton items and mixed loads
Heavy Dry
Extended drying time for heavily wet or bulky items
Delicates
Gentle low-heat drying for delicate fabrics and synthetics
Quick Dry
Fast drying for small loads or lightly damp items
SteamRefresh
Steam cycle to reduce wrinkles and refresh clothes
Timed Dry
Manual drying with customizable time settings
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Dryer won't start | Power issue, door not closed properly | Check power supply, ensure door is latched completely |
| Clothes not drying | Lint filter clogged, exhaust duct blocked | Clean lint filter, check exhaust duct for obstructions |
| Overheating | Restricted airflow, thermostat failure | Check exhaust system, clean lint filter, contact service |
| Unusual noises | Foreign objects in drum, worn rollers | Check for foreign objects, contact service for roller replacement |
| Error codes displayed | Sensor issues, electrical problems | Refer to error code list below, contact service if persistent |
| Vibration during operation | Unbalanced load, uneven floor | Redistribute load, level the dryer |
Error Codes
- tE: Temperature sensor error - Contact service center
- dE: Door not closed properly - Ensure door is fully closed
- FE: Motor issue - Contact service center
- LE: Motor overload - Reduce load size, restart cycle
- OE: Exhaust blockage - Check exhaust duct and vent
- PF: Power failure - Reset dryer and restart cycle
Manual Downloads
Current Model Manuals
LDF7551ST
7.4 cu. ft. Electric Dryer
LDF7551BD
7.4 cu. ft. Black Dryer
LDF7551WT
7.4 cu. ft. White Dryer
LDG7551ST
7.4 cu. ft. Gas Dryer
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