LG ThinQ Microwave

Owner's Manual & Installation Guide

Smart Inverter Technology

Installation Guide

Tools Needed:

  • Screwdrivers (flat and Phillips)
  • Measuring tape
  • Level
  • Power drill
  • Stud finder

Step-by-Step Installation

  1. Choose Installation Location: Select a location with proper ventilation and adequate clearance from walls and cabinets.
  2. Check Power Requirements: Ensure dedicated 120V, 60Hz, 15A grounded outlet is available.
  3. Remove Packaging: Remove all protective films and packaging materials from the microwave.
  4. Mounting Preparation: For over-the-range models, install mounting plate securely to wall studs.
  5. Electrical Connection: Plug into grounded outlet. Do not use extension cords or power strips.
  6. Ventilation Setup: Configure venting for either external exhaust or recirculation mode.
  7. Test Operation: Perform initial test run to ensure proper heating and ventilation.
Warning: Installation should be performed by qualified personnel. Ensure proper grounding and ventilation for safe operation.

Specifications

Model Series LMV2031ST
Type Over-the-Range Microwave
Color Stainless Steel
Capacity 2.0 cu. ft.
Power Output 1000 Watts
Control Type Touch Controls with LED Display
Exhaust System 300 CFM Ventilation
Cooking Technology Smart Inverter & Sensor Cooking
Power Requirements 120V, 60Hz, 15A
Dimensions (HxWxD) 16.5 x 29.9 x 15.6 inches
Weight 55 lbs
Turntable Size 12.4 inches

Warranty Information

  • Full Warranty: 1 year parts and labor
  • Magnetron Warranty: 10 years on microwave generator
  • Additional Coverage: Optional extended warranty available

For warranty service, contact LG Customer Service at 1-800-243-0000 or visit LG.com

Key Features

Smart Inverter Technology

Delivers precise, even cooking power for consistent results without overcooking or cold spots in your food.

ThinQ Smart Technology

Wi-Fi enabled for remote control via smartphone app, allowing you to monitor cooking progress and download new recipes.

Sensor Cooking

Automatically detects moisture levels and adjusts cooking time and power for perfect results every time.

EasyClean® Interior

Special coating makes cleaning spills and splatters quick and effortless with just a wipe.

Multi-Stage Cooking

Program up to 4 cooking stages with different power levels for complex recipes.

Eco Mode

Reduces standby power consumption by up to 90% when not in active use.

Cooking Programs

Popcorn

Automatically detects bag size and adjusts cooking time for perfect popcorn

Beverage

Heats drinks to ideal serving temperature without boiling over

Potato

Cook potatoes evenly from skin to center for fluffy results

Frozen Entree

Sensor cooking for frozen meals with varying density

Reheat

Gentle reheating that preserves food texture and moisture

Defrost

By time or weight for meat, poultry, and baked goods

Troubleshooting

Problem Possible Cause Solution
Microwave won't start Door not closed, power issue, child lock engaged Ensure door is latched, check power supply, disable child lock
Uneven cooking Turntable not rotating, improper placement Check turntable operation, center food on turntable
Sparking inside Metal objects, damaged waveguide cover Remove metal objects, replace waveguide cover if damaged
Display shows error code Sensor failure, communication error Unplug for 1 minute, then restart. If persists, contact service
Vent fan not working Vent mode setting, obstruction Check vent settings, clear any obstructions
Light not working Bulb burned out, switch failure Replace bulb, check door switch operation

Error Codes

  • E1: Temperature sensor error - Unplug and restart
  • E2: Communication error - Check ThinQ connection
  • E3: Door switch error - Ensure door closes properly
  • E4: Magnetron error - Contact service center
  • E5: Turntable motor error - Check for obstructions
  • E6: Keypad error - Clean touch controls

Manual Downloads

Current Model Manuals

LMV2031ST

2.0 cu.ft. ThinQ Microwave

LMV1762ST

1.7 cu.ft. Sensor Microwave

LMV2083ST

2.0 cu.ft. Convection

LMV2031BD

2.0 cu.ft. Black Stainless

Popular Previous Models

LMC2075ST

2.0 cu.ft. Convection

LMC1575ST

1.5 cu.ft. Sensor

LMV1683ST

1.6 cu.ft. ThinQ

LMV1811ST

1.8 cu.ft. Basic

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