Installation Guide
Tools Needed:
- Adjustable wrench
- Gas leak detector solution
- Screwdrivers (flat and Phillips)
- Pipe thread sealant
- Level
- Tape measure
Step-by-Step Installation
- Choose Installation Location: Select a well-ventilated area away from flammable materials with proper clearance from walls and cabinets.
- Gas Connection: Connect to appropriate gas supply line using approved gas connectors. Apply pipe thread sealant to all connections.
- Check for Leaks: Use gas leak detector solution to test all connections for leaks before proceeding.
- Electrical Connection: Connect to a properly grounded 120V, 60Hz outlet if model requires electrical ignition.
- Level the Stove: Adjust the leveling legs to ensure the stove is perfectly level for even cooking.
- Install Burner Grates: Place burner grates and caps in their proper positions.
- Test Operation: Test all burners for proper ignition and flame characteristics.
Specifications
| Model Series | LGS7890HT |
| Type | Smart Gas Stove with ThinQ Technology |
| Color | Stainless Steel / Black Glass |
| Burner Configuration | 4 Burners + 1 Central Burner |
| Burner Output | Front: 15,000 BTU, Rear: 12,000 BTU, Central: 18,000 BTU |
| Ignition System | Electronic Ignition with Battery Backup |
| Control Type | Touch Controls with LCD Display |
| Gas Type | Natural Gas / LPG Convertible |
| Dimensions (HxWxD) | 91 x 76 x 61 cm |
| Weight | 45 kg |
| Smart Features | Wi-Fi, Voice Control, Remote Monitoring |
Warranty Information
- Full Warranty: 2 years parts and labor
- Burner Warranty: 5 years on burners and grates
- Additional Coverage: Optional extended warranty available
For warranty service, contact LG Customer Service at 1-800-243-0000 or visit LG.com
Key Features
ThinQ Smart Technology
Connect your gas stove to Wi-Fi for remote control, cooking monitoring, and recipe integration through the LG ThinQ app on your smartphone.
Precision Flame Control
Advanced burner design provides precise flame adjustment from simmer to boil, giving you complete control over your cooking temperature.
Central High-Output Burner
18,000 BTU central burner delivers powerful heat for rapid boiling, stir-frying, and other high-heat cooking requirements.
Auto-Reignition
If a burner flame goes out unexpectedly, the auto-reignition system automatically relights the burner for enhanced safety.
Child Lock
Safety lock feature prevents accidental operation, making the stove safe for households with children.
Easy-Clean Surfaces
Stainless steel and enamel surfaces are designed for easy cleaning and maintenance, with removable burner caps and grates.
Cooking Programs
Simmer Mode
Precise low flame control perfect for delicate sauces and melting operations
Boil Mode
Maximum heat output for rapid boiling of water and liquids
Stir-Fry Mode
Optimized heat distribution for perfect stir-frying results
Keep Warm
Maintains food at perfect serving temperature without overcooking
Timer Function
Programmable timer with automatic shut-off for precise cooking control
Voice Control
Hands-free operation compatible with Google Assistant and Amazon Alexa
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Burner won't ignite | Gas supply off, clogged burner, weak ignition | Check gas supply, clean burner ports, check ignition system |
| Uneven flame | Clogged burner ports, improper air mixture | Clean burner thoroughly, adjust air shutter if accessible |
| Yellow or orange flame | Improper air-to-gas ratio, dirty burner | Clean burner, ensure proper ventilation, check gas pressure |
| Gas odor | Gas leak, improper connection | Immediately turn off gas, ventilate area, check connections |
| Igniter clicks but no flame | Gas valve issue, clogged burner | Check gas supply valve, clean burner assembly |
| Smart features not working | Wi-Fi connection, app issues, power supply | Check internet connection, update app, ensure power supply |
Error Codes
- E1: Ignition failure - Check gas supply and ignition system
- E2: Flame detection error - Clean flame sensor
- E3: Gas supply issue - Check gas valve and supply
- E4: Overheating - Allow to cool before restarting
- E5: Communication error - Check Wi-Fi connection
- E6: Sensor malfunction - Contact service center
Manual Downloads
Current Model Manuals
LGS7890HT
Smart ThinQ Gas Stove
LGS7850HT
ThinQ Gas Stove Pro
LGS7820HT
Smart Gas Stove Basic
LGS7890HW
White ThinQ Gas Stove
Popular Previous Models
LGS6800HT
6-Burner Gas Stove
LGS5700HT
5-Burner Smart Stove
LGS4500HT
4-Burner Basic Model
LGS7890BL
Black Glass Model