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LG MS-2022W - User Manual

LG MS-2022W
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MICROWAVE OVEN
SERVICE MANUAL
MODEL: MS-2022W
CAUTION
BEFORE SERVICING THE UNIT, READ THE
SAFETY PRECAUTIONS IN THIS MANUAL.

Questions and Answers

  • S
    Sarah RiveraAug 2, 2025
    Why is the output power of my LG MS-2022W Microwave Oven too low?
    • R
      rodgersjohnAug 3, 2025
      If the output power of your LG Microwave Oven seems low, ensure you are using it at an adequate line voltage. The issue could be due to low AC input voltage. Also, it may not be a defect; the food might just need a longer cooking time.
  • R
    Rebecca ClarkAug 10, 2025
    What to do if LG Microwave Oven does not cook but turntable rotates?
    • A
      allenwestAug 10, 2025
      If your LG Microwave Oven isn't cooking at all, even though the turntable is rotating, the power control switch may be malfunctioning and needs replacement. Another potential cause is a faulty magnetron, which would also need to be replaced.
  • D
    dianamendozaAug 18, 2025
    Why is the output power low in my LG MS-2022W Microwave Oven?
    • M
      Martin BowersAug 18, 2025
      If the output power of your LG Microwave Oven is low, it could be due to a decrease in power source voltage with load. Contact your local electric power utility company or a qualified electrician. It may also be caused by a faulty magnetron, which needs replacement.
  • B
    Brenda DrakeAug 25, 2025
    Why is my LG MS-2022W Microwave Oven sparking?
    • D
      davidbrownAug 26, 2025
      Sparks inside your LG Microwave Oven can occur if you're using metallic ware that touches the oven wall. Avoid using metallic ware for cooking, unless the cooking guide specifically allows it. Also, avoid ceramic ware trimmed with gold or silver powder, as this can also cause sparks.

Summary

Safety Precautions

Cautions and Warnings

Microwave Radiation Precautions

Precautions regarding exposure to microwave energy during operation and servicing.

Operating Instructions

Service Information

Microwave Leakage Test

Procedures and guidelines for testing microwave energy leakage.

Measurement of Microwave Power Output

Disassembly and Adjustment

Magnetron Removal

Detailed steps for removing the magnetron assembly.

Interlock Continuity Test

Component Test Procedure

High Voltage Transformer Test

Procedure to test the resistance of the high voltage transformer.

Magnetron Test

Procedure to test the resistance of the magnetron.

High Voltage Capacitor Test

Procedure to test the resistance of the high voltage capacitor.

High Voltage Diode Test

Procedure to test the continuity of the high voltage diode.

Trouble Shooting

Microwave Oven Does Not Work

Troubleshooting steps for when the microwave oven is not functioning at all.

Output Power is Too Low

Troubleshooting steps for low microwave power output.

Sparks Occur

Troubleshooting steps for when sparks occur inside the oven.

Oven Lamp Does Not Turn On

Troubleshooting for the oven lamp failing to illuminate.

Oven Does Not Start

Troubleshooting steps when the oven fails to start after setting the timer.

Low Output Power

Troubleshooting for low output power, including voltage checks and magnetron output.

Oven Does Not Cook At All

Troubleshooting steps when the oven does not cook despite turntable rotation.

LG MS-2022W Specifications

General IconGeneral
TypeCountertop
Capacity20 Liters
Control TypeMechanical
Turntable Diameter245 mm
Weight10.5 kg
ColorWhite
Number of Power Levels5
Child LockNo
Auto Cook MenuNo
Power700W
Power Output700W

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