Installation Guide
Tools Needed:
- Screwdrivers (flat and Phillips)
- Tape measure
- Level
- Drill with bits
- Stud finder
Step-by-Step Installation
- Choose Installation Location: Select a location with proper ventilation and adequate electrical outlet access.
- Check Clearances: Ensure minimum clearances of 3 inches on top, 2 inches on sides, and 1 inch at the back.
- Mounting Preparation: Locate wall studs and mark mounting positions according to template provided.
- Install Mounting Plate: Secure the mounting plate to the wall using appropriate screws for your wall type.
- Electrical Connection: Connect to a properly grounded 120V, 60Hz, 15A dedicated outlet. Do not use an extension cord.
- Hang Microwave: Carefully lift and hang the microwave on the mounting plate, ensuring it locks securely in place.
- Test Operation: Test all functions including turntable rotation, lighting, and heating operations.
Specifications
| Model Number | LMV1831ST |
| Type | Over-the-Range Microwave |
| Color | Stainless Steel |
| Capacity | 1.8 cu.ft |
| Cooking Power | 1000 Watts |
| Control Type | Touch Controls with LED Display |
| Turntable Size | 14 inches |
| Venting Power | 400 CFM |
| Power Requirements | 120V, 60Hz, 15A |
| Dimensions (HxWxD) | 17 x 30 x 16 inches |
| Weight | 55 lbs |
| Exhaust Options | Vented or Recirculating |
Warranty Information
- Full Warranty: 1 year parts and labor
- Magnetron Warranty: 8 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
Inverter Technology
LG's Inverter Technology delivers a seamless stream of cooking power for even heating and defrosting, preserving food texture and flavor.
EasyClean® Interior
The specially coated interior resists stains and makes cleaning simple with just a wipe of a damp cloth.
Sensor Cooking
Automatically detects moisture levels and adjusts cooking time and power for perfect results every time.
Multi-Stage Cooking
Program up to 3 different cooking stages with different power levels for complex recipes.
Smart Diagnosis™
Allows technicians to diagnose issues over the phone for faster service and troubleshooting.
Energy Saving Mode
Reduces standby power consumption when not in use, helping to save energy and lower electricity bills.
Cooking Programs
Popcorn
Automatically sets perfect time and power for microwave popcorn
Beverage
Heats drinks to ideal serving temperature without boiling over
Potato
Cooks potatoes evenly for fluffy results every time
Frozen Entree
Automatically adjusts for frozen meals and dinners
Reheat
Gently reheats leftovers without overcooking
Auto Defrost
Defrosts meat, poultry, and fish evenly
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Microwave won't start | Door not closed properly, power issue | Ensure door is fully closed, check power supply and circuit breaker |
| Uneven cooking | Turntable not rotating, improper placement | Check turntable operation, center food on turntable |
| Sparking inside | Metal objects, damaged waveguide cover | Remove all metal objects, check waveguide cover for damage |
| Poor ventilation | Clogged filters, improper vent setting | Clean or replace filters, check vent setting |
| Display not working | Power surge, control board issue | Reset circuit breaker, contact service if problem persists |
| Loud noises | Turntable motor issue, fan obstruction | Check for obstructions, contact service center |
Error Codes
- E1: Temperature sensor error - Contact service center
- E2: Communication error - Reset microwave
- E3: Door switch error - Check door alignment and switches
- E4: Magnetron error - Contact service center
- E5: Turntable motor error - Check for obstructions
- E6: Keypad error - Clean control panel
Manual Downloads
Current Model Manuals
LMV1831ST
1.8 cu.ft Over-the-Range Microwave
LMV1761ST
1.7 cu.ft Stainless Steel Microwave
LMV2031ST
2.0 cu.ft Smart Inverter Microwave
LMV1831BD
1.8 cu.ft Black Stainless Microwave
Popular Previous Models
LMV1683SB
1.6 cu.ft Black Microwave
LMV1760SW
1.7 cu.ft White Microwave
LMV1511ST
1.5 cu.ft Stainless Microwave
LMV2051ST
2.0 cu.ft Convection Microwave