Manual for MSER2090*

Manual for MSER2090*

Brand: LG logo LG

Category: Microwave Oven

Document Type: Manual

Language: EN

Uploaded: Nov. 21, 2025, 7:47 p.m.

Warranty Information

One year limited warranty on the microwave oven, ten years on the magnetron.

Control Panel Operations

  • Use the number keys to set cooking time, power level, quantity, or weight.
  • Press START/Enter to begin cooking or enter amounts. Press again to add 30 seconds.
  • Press STOP/Clear to stop the oven or clear entries.
  • Use Timer/Clock for kitchen timer functions or to set the time of day.
  • Sensor functions allow automatic cooking, reheating, or defrosting based on detected steam.
  • Manual Cooking allows setting time and power level manually.

Quick Start

Press START/Enter for 30-second intervals of High power cooking.

Safety Features

Child Lock can be set to prevent unsupervised use.

Troubleshooting and error codes

ProblemPossible 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, close oven door, set cooking time.
Arcing or Sparking Cookware is not microwave safe, or the oven is being operated while it is empty. Use microwave-safe utensils. Do not operate oven while it is empty.
Incorrect Time of Day Power is interruption. Reset the time.
Unevenly Cooked Foods Cookware is not microwave safe, or cook settings were wrong. Test cookware, do not cook without glass tray, turn or stir food, defrost completely before cooking.
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 cookware, defrost completely, change cook time or power level, ensure ventilation ports are not blocked.
Improper Defrosting Cookware is not microwave safe, or cook settings were wrong. Test cookware, change defrost time or weight, turn or stir food during defrost cycle.
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