LG ThinQ Stove

User Manual & Installation Guide

Smart Cooking Appliance

Installation Guide

Tools Needed:

  • Adjustable wrench
  • Level
  • Screwdrivers (flat and Phillips)
  • Gas leak detector solution
  • Tape measure

Step-by-Step Installation

  1. Choose Installation Location: Select a location with proper ventilation and adequate clearance from combustible materials.
  2. Remove Packaging Materials: Remove all protective films and packaging materials from the stove surface.
  3. Gas Connection: Connect to gas supply using approved flexible connector. Apply pipe joint compound to all threaded connections.
  4. Electrical Connection: Connect to a properly grounded 120V, 60Hz outlet for electronic ignition and smart features.
  5. Anti-tip Bracket Installation: Install and secure anti-tip bracket to wall or floor as per instructions.
  6. Level the Stove: Adjust the leveling legs to ensure the stove is perfectly level.
  7. Test Operation: Test all burners, oven functions, and smart features to ensure proper operation.
Warning: All gas installations must be performed by a qualified technician to ensure safety and maintain warranty coverage.

Specifications

Model Series LSTN789HT
Type Gas Range with Smart Features
Color Stainless Steel / Black
Burner Configuration 5 Burners (Various BTU)
Oven Capacity 5.8 cu.ft.
Control Type Touch Controls with LCD Display
Energy Rating Energy Star Certified
Gas Type Natural Gas / LP Convertible
Power Requirements 120V, 60Hz
Dimensions (HxWxD) 36 x 30 x 28 inches
Weight 145 lbs
Wi-Fi Connectivity 2.4GHz Wi-Fi

Warranty Information

  • Full Warranty: 2 years parts and labor
  • Burner Warranty: 10 years on sealed burners
  • 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 stove to Wi-Fi for remote control, monitoring, and smart recipe integration through the LG ThinQ mobile app.

ProBake Convection

Even heat distribution system with a third heating element and fan for perfectly baked goods every time.

EasyClean® System

Special enamel coating that makes cleaning spills and baked-on food easier with minimal effort.

Precision Cooking

Built-in temperature probe and smart sensors ensure your food is cooked to perfection automatically.

Dual Fuel Option

Gas cooktop for precise flame control combined with electric oven for consistent baking temperatures.

Smart Diagnosis

Automatically diagnose issues and provide troubleshooting steps through the ThinQ app.

Burner Configuration

Ultra Heat Burner

18,000 BTU for rapid boiling and high-heat cooking

Dual Burner

12,000/5,000 BTU for versatile cooking options

Simmer Burner

5,000 BTU for gentle simmering and delicate sauces

Standard Burners

Two 9,500 BTU burners for everyday cooking

Troubleshooting

Problem Possible Cause Solution
Burner won't ignite Gas supply off, clogged burner ports Check gas supply, clean burner ports with soft brush
Uneven flame Improper air mixture, clogged ports Adjust air shutter, clean burner thoroughly
Oven not heating Power issue, faulty igniter Check power supply, contact service for igniter replacement
Error code displayed Sensor failure, communication error Refer to error code chart, reset appliance
Wi-Fi connection issues Network problems, incorrect setup Check network connection, re-run setup process
Gas odor detected Gas leak, improper connection Immediately turn off gas, contact qualified technician

Error Codes

  • F1: Oven temperature sensor failure
  • F2: Oven over-temperature condition
  • F3: Oven relay fault
  • F4: Communication error with control board
  • F5: Wi-Fi module failure
  • F6: Touch panel communication error

Manual Downloads

Current Model Manuals

LSTN789HT

30" Smart Gas Range

LSTN786HT

30" Convection Range

LSTE789HT

30" Dual Fuel Range

LSTN789BW

30" Black Range

Popular Previous Models

LREL6325S

30" Electric Range

LRG3085ST

30" Gas Range

LSE4613ST

30" Slide-in Range

LRG4115ST

30" Professional Range

Note: For models not listed here, please visit the LG Support Website for complete documentation.