Installation Guide
Tools Needed:
- Adjustable wrench
- Level
- Screwdrivers (flat and Phillips)
- Voltage tester
- Tape measure
Step-by-Step Installation
- Choose Installation Location: Select a location with proper ventilation and adequate space for heat dissipation on a stable, level surface.
- Remove Shipping Materials: Remove all protective packaging and shipping restraints from the appliance.
- Electrical Connection: Connect to a dedicated 240V, 60Hz, AC outlet with proper grounding. Do not use an extension cord.
- Ventilation Check: Ensure proper clearance around the unit - minimum 4 inches on sides, 12 inches above, and 6 inches behind.
- Wi-Fi Setup: Connect to your home Wi-Fi network for ThinQ smart features and remote control capabilities.
- Level the Appliance: Adjust the leveling feet to ensure the unit is perfectly level from front to back and side to side.
- Initial Test Run: Run the appliance through a test cycle to check for proper operation and connectivity.
Specifications
| Model Series | LMC2075ST |
| Type | Over-the-Range Microwave & Convection Oven Combo |
| Color | Stainless Steel |
| Capacity | 2.0 cu. ft. Microwave / 1.7 cu. ft. Convection Oven |
| Power Output | 1000W Microwave / 3400W Convection |
| Control Type | Touch Controls with LED Display |
| Energy Rating | Energy Star Certified |
| Cooking Modes | 12 Auto Cook Programs, 5 Power Levels |
| Power Requirements | 240V, 60Hz, 30A |
| Dimensions (HxWxD) | 52 x 76 x 46 cm |
| Weight | 45 kg |
| Ventilation | 400 CFM Exhaust Fan |
Warranty Information
- Full Warranty: 1 year parts and labor
- Magnetron Warranty: 10 years on microwave components
- Additional Coverage: Optional extended warranty available
For warranty service, contact LG Customer Service at 1-800-243-0000 or visit LG.com
Key Features
SmartThinQ Technology
Wi-Fi enabled for remote control via smartphone app, allowing you to monitor cooking progress, download recipes, and receive completion alerts from anywhere.
Dual Cooking System
Combines microwave speed with convection oven baking for faster, more even cooking results. Perfect for busy households needing versatile cooking options.
EasyClean™ Interior
Special ceramic enamel interior resists stains and makes cleaning simple. Wipes clean with minimal effort after cooking.
Sensor Cooking
Advanced humidity sensors automatically detect food moisture levels and adjust cooking time and power for perfect results every time.
Inverter Technology
LG's inverter technology provides precise temperature control for even cooking, defrosting, and simmering without hot or cold spots.
Voice Control
Compatible with Amazon Alexa and Google Assistant for hands-free operation. Start, stop, or check cooking status using voice commands.
Cooking Programs Explained
Auto Defrost
Automatically defrosts frozen foods based on weight and type for perfect thawing
Sensor Cook
Intelligent cooking that adjusts time and power based on food moisture levels
Convection Bake
Traditional oven baking with circulating hot air for even browning
Combo Cook
Combines microwave and convection for faster cooking with browning
Keep Warm
Maintains food at serving temperature without overcooking
Quick Minute
One-touch cooking for common tasks like reheating beverages
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Appliance won't start | Power issue, door not closed properly | Check power supply, ensure door is latched completely |
| Uneven cooking | Incorrect turntable placement, overloaded | Ensure turntable is properly seated, reduce food quantity |
| Sparkling or arcing | Metal objects inside, damaged waveguide cover | Remove metal objects, check and replace waveguide cover if damaged |
| Wi-Fi connection issues | Network problems, incorrect setup | Check router settings, re-run ThinQ setup process |
| Unusual noises | Foreign objects in fan, worn components | Check for obstructions, contact service if persistent |
| Display errors | Power surge, control board issues | Reset appliance, contact service if error persists |
Error Codes
- E1: Temperature sensor error - Check sensor connection
- E2: Communication error - Reset appliance and Wi-Fi connection
- E3: Overheating - Allow appliance to cool before restarting
- E4: Door switch malfunction - Check door alignment and switches
- E5: Magnetron issue - Contact service center
- E6: Turntable motor error - Check for obstructions
Manual Downloads
Current Model Manuals
LMC2075ST
2.0 cu.ft. ThinQ Combo
LMC2575ST
2.5 cu.ft. Smart Combo
LMC3075ST
3.0 cu.ft. Pro Combo
LMC2075BL
2.0 cu.ft. Black Combo
Popular Previous Models
LMC1573ST
1.5 cu.ft. Basic Combo
LMC1874ST
1.8 cu.ft. Standard Combo
LMC2275ST
2.2 cu.ft. Advanced Combo
LMC2676ST
2.6 cu.ft. Premium Combo