Manual for MVEF1337F

Manual for MVEF1337F

Brand: LG logo LG

Category: Microwave Oven

Document Type: Manual

Language: EN

Uploaded: Nov. 21, 2025, 7:12 p.m.

Warranty Information

LG provides a limited warranty covering defects in materials and workmanship for one year from the original purchase date.

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Control Panel Features

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  1. Cooking Mode: Select various microwave cooking functions.
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  2. SENSOR COOKING: Select various sensor cooking functions.
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  3. Cook Time: Press to enter cooking time.
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  4. Power Level: Press to adjust power level.
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  5. +30 seconds: Start cooking or increase cook time.
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  6. Turntable On/Off: Turn or stop the turntable.
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  7. Display: Shows time of day, cook time, and selected functions.
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  8. Number Keys: Set time, power level, quantity, or weight.
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  9. START/Enter: Start the oven or enter amounts.
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  10. STOP/Clear: Stop the oven or clear entries.
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  11. Settings: Change default settings (sound, clock, etc.).
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  12. Wi-Fi: Connect to a Wi-Fi network.
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Before Use

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  • Setting the Clock: Set current time of day.
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  • Child Lock: Lock control panel for safety.
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Quick Start and Stop

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  • Use +30 seconds to start cooking or extend time.
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  • Press STOP/Clear to stop or cancel.
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Manual Cooking

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  • Set cook time and power level manually.
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Auto Defrost Mode

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  • Use preset defrost cycles by entering menu code and weight.
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Soften/Melt Mode

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  • Low power to soften foods or melt ingredients.
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Steam Cook Mode

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  • For steaming food using a microwave-safe container.
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More Modes (Kids Meal, Simmer)

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  • Preset cook settings for specific food types.
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Sensor Cook Mode

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  • Cooks food automatically using preprogrammed settings based on steam detection.
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Sensor Reheat Mode

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  • Reheats single servings of cooked food.
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Sensor Popcorn Mode

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  • Simple popcorn cooking.
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Sensor Vegetable Mode

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  • Cooks vegetables using preset programs.
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Troubleshooting and error codes

Problem Possible Cause & Solution
Microwave oven does not start Power cord is unplugged, door is open, or cooking time has not been set. Plug in power cord or check for a blown circuit fuse or a tripped main circuit breaker. Close oven door. Set cooking time. Timer function started. If the display shows a time counting down but the oven is not cooking, check to see if a Timer function has been started instead of a cooking function.
Oven light does not work Power cord is unplugged. Plug in power cord.
Arcing or Sparking Cookware is not microwave safe, or the oven is being operated while it is empty. Use microwave-safe cookware. When in doubt, test cookware before use. Do not operate oven while it is empty. Wire twist-ties have not been removed from paper or plastic bags, or the metal rack was installed improperly. Remove wire twist-ties from paper or plastic bags. Place the rack securely in the four plastic supports.
Incorrect Time of Day Power interruption. Reset the time. See Setting the Clock section to reset time of day.
Unevenly Cooked Foods Cookware is not microwave safe, or cook settings were wrong. Test cookware to make sure it is microwave safe. Do not cook without the glass tray. Turn or stir food while cooking. Defrost food completely before cooking. Use correct cook time and power level. Check position of aluminum strips used to prevent overcooking.
Overcooked Foods Cooking settings and methods are wrong. Change cook time or power level.
Undercooked Foods Cookware is not microwave safe, or cook settings were wrong. Test that cookware is microwave safe. Defrost food completely before cooking. Change cook time or power level. Make sure that ventilation ports are not blocked.
Improper Defrosting Cookware is not microwave safe, or cook settings were wrong. Test that cookware is microwave safe. Change defrost time or weight. Turn or stir food during defrost cycle.
Moisture collects on oven window or steam comes from oven vent This happens when cooking foods high in moisture. This is normal.
Spark / Arcing Aluminum foil or metal utensil used in microwave mode. Check user instructions. DO NOT use aluminum foil or metal utensils in microwave mode.
Microwave oven installation issue. • Vibration noise • Unit is not level • Installation damage Mounting bracket screw not fixed completely. Mounting plate not aligned. 3/16" Hole on Studs, 5/8" Hole on Drywall Only Product carried/installed improperly. Check with installer first.
Vent is not working. • Weak or no ventilation. • Abnormal noise during operation. • Product overheating. Improper blower unit direction or installation. Improper ductwork or damper connection. Check blower unit direction and reinstall if necessary. Properly align the exhaust operation ports and blower plate opening. Blower unit exhaust ports should be completely exposed to the outside. After installation, check the air ventilation path.
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