Installation Guide
Tools Needed:
- Phillips screwdriver
- Flat-head screwdriver
- Multimeter
- Wire strippers
- Voltage tester
Step-by-Step Installation
- Choose Installation Location: Select a location with proper ventilation and adequate electrical supply on a stable, level surface.
- Remove Packaging Materials: Remove all protective films, shipping bolts and packaging materials from the microwave oven.
- Electrical Connection: Connect to a dedicated 120V, 60Hz, 15A grounded outlet. Ensure proper grounding for safety.
- Ventilation Check: Verify adequate clearance around the microwave - minimum 3 inches on sides and top, 1 inch at back.
- Mounting Preparation: For built-in models, prepare the cabinet cutout according to specifications in the manual.
- Final Inspection: Check all connections, ensure door seals properly, and verify all components are securely installed.
- Test Operation: Run the microwave through a test cycle to verify proper operation and heating performance.
Specifications
| Model Series | LMV2031ST |
| Type | Countertop Microwave Oven |
| Color | Stainless Steel |
| Capacity | 2.0 cu. ft. |
| Power Output | 1200 Watts |
| Control Type | Touch Controls with LED Display |
| Cooking Modes | 10 Power Levels + Sensor Cooking |
| Turntable Size | 15.5 inches |
| Power Requirements | 120V, 60Hz, 15A |
| Dimensions (HxWxD) | 17.1 x 29.9 x 16.0 inches |
| Weight | 55 lbs |
| External Dimensions | 14.2 x 22.2 x 19.1 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
Inverter Technology
LG's advanced inverter technology provides precise temperature control and even cooking by delivering a continuous stream of power instead of cycling on and off.
Sensor Cooking
Smart sensor automatically detects moisture levels and adjusts cooking time and power for perfect results every time, eliminating guesswork.
EasyClean Interior
Special ceramic enamel interior resists stains and makes cleaning simple. The smooth surface prevents food particles from sticking.
Multi-stage Cooking
Program up to 4 cooking stages with different power levels and times for complex recipes that require multiple cooking methods.
Smart Diagnosis
Advanced self-diagnosis system helps identify issues quickly. Connects with SmartThinQ for remote troubleshooting.
Eco Mode
Energy-saving mode reduces standby power consumption by up to 90% compared to conventional microwave ovens.
Cooking Technology Explained
Sensor Cook
Automatically adjusts cooking time and power based on food moisture detection
Inverter Power
Continuous power delivery for even cooking without hot and cold spots
Quick Minute
One-touch cooking for 1-minute intervals with single button press
Multi-stage Cooking
Program multiple cooking steps with different power levels automatically
Defrost
Automatic defrosting by weight or time with even thawing results
Keep Warm
Maintains food at serving temperature without continued cooking
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Microwave won't start | Power issue, door not closed properly, control lock activated | Check power supply, ensure door is latched completely, deactivate control lock |
| Food not heating properly | Magnetron failure, high voltage diode issue, capacitor problem | Test magnetron continuity, check high voltage components, replace faulty parts |
| Turntable not rotating | Turntable motor failure, roller guide issue, obstruction | Check turntable motor, inspect roller guide, remove any obstructions |
| Sparkling or arcing inside | Metal objects inside, waveguide cover damaged, rack position wrong | Remove metal objects, replace waveguide cover, ensure proper rack placement |
| Unusual noises | Fan motor issue, turntable motor problem, loose components | Check cooling fan, inspect turntable mechanism, tighten all components |
| Display not working | Control board failure, display ribbon issue, power supply problem | Test control board, check display connections, verify power supply |
Error Codes
- ERR1: Temperature sensor failure - Check sensor connections and replace if necessary
- ERR2: Communication error - Check control board connections and wiring
- ERR3: Magnetron temperature high - Check cooling fan and ventilation
- ERR4: Humidity sensor error - Test sensor functionality and connections
- ERR5: Door switch issue - Check door switch alignment and operation
- ERR6: Turntable motor error - Inspect turntable motor and drive mechanism
Manual Downloads
Current Model Manuals
LMV2031ST
2.0 cu.ft. Smart Inverter
LMV1762ST
1.7 cu.ft. Sensor Microwave
LMC2075ST
2.0 cu.ft. Convection Microwave
LMV2031BD
2.0 cu.ft. Black Stainless
Popular Previous Models
LMC2083ST
2.0 cu.ft. Smart Oven
LMV1683SB
1.6 cu.ft. Basic Model
LCRT2010ST
Over-the-Range Microwave
LMV1511ST
1.5 cu.ft. Compact