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Samsung M245 - User Manual

Samsung M245
22 pages
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MICROWAVE OVEN
M245
SERVICE
Manual
MICROWAVE OVEN CONTENTS
M245
lbs.
kg
oz.
g
h
10min
min
1min
Auto
Auto
10s.
1min+
M
1. Precaution
2. Specifications
3. Operating Instructions
4. Disassembly and Reassembly
5. Alignment and Adjustments
6. Troubleshooting
7. Exploded Views and Parts List
8. PCB Diagrams
9. Schematic Diagrams
TRADING & SERVICE

Questions and Answers

  • M
    moorebrendaSep 9, 2025
    Why is my Samsung M245 Microwave Oven taking longer to cook food?
    • S
      simsjeremySep 9, 2025
      If your Samsung Microwave Oven is taking longer to cook food, it could be due to a decrease in the power source voltage, a loose connection in the magnetron filament circuit, or an aging magnetron. It is advised to consult an electrician.
  • A
    Alexandra ScottSep 12, 2025
    What to do if Samsung M245 Microwave Oven stops in the middle of cooking?
    • H
      Hannah HaleSep 12, 2025
      If your Samsung Microwave Oven stops operating during cooking, it could be due to loose wiring of the primary interlock switch or the activation of the thermal cutout (magnetron). Adjust the door and latch switches.
  • K
    Kyle ChapmanSep 13, 2025
    Why do the fan and light turn on in my Samsung M245 Microwave Oven?
    • V
      Valerie MurphySep 13, 2025
      If your Samsung Microwave Oven lamp and fan motor turn on, it may be caused by misadjustment or loose wiring of the primary latch switch, or a defective primary latch switch. Try adjusting the door and latch switches.
  • T
    Tracy HessSep 15, 2025
    Why does the fan motor turn on when my Samsung M245 is plugged in?
    • J
      Jennifer SanchezSep 15, 2025
      If the fan motor in your Samsung Microwave Oven turns on as soon as it's plugged in, it's likely due to loose wiring of the door sensing switch. Check the wiring of the door sensing switch.
  • J
    John WalshSep 17, 2025
    Why is my Samsung M245 turntable motor noisy when it starts?
    • T
      Teresa JohnsonSep 17, 2025
      Noise from the turntable motor of your Samsung Microwave Oven when it starts to operate may result from the motor itself. Consider replacing the turntable motor.

Summary

Precaution

1-1 Safety precautions

Essential safety measures for handling and repairing the microwave oven.

1-2 Special Servicing Precautions

Additional safety guidelines for technicians during repair.

1-3 Special High Voltage Precautions

Critical warnings and procedures for dealing with high voltage components.

Specifications

2-1 Table of Specifications

Detailed technical specifications for the microwave oven model.

2-2 Comparison Chart

Comparison of features across different models or configurations.

Operating Instructions

3-1 Control Panel

Explanation of the control panel layout and buttons.

3-2 Features & External Views

Visual overview of the microwave oven's external features and dimensions.

Disassembly and Reassembly

4-1 Replacement of Magnetron, Motor Assembly and Lamp

Step-by-step guide for replacing key internal components.

4-2 Replacement of High Voltage Transformer

Procedure for safely replacing the high voltage transformer.

4-3 Replacement of Door Assembly

Instructions for disassembling and reassembling the oven door.

4-4 Replacement of Fuse

Procedure for replacing the internal fuse.

4-5 Replacement of Drive Motor

Guide for replacing the drive motor assembly.

4-6 Replacement of Control Circuit Board

Steps for replacing the main control circuit board.

Alignment and Adjustments

5-1 High Voltage Transformer

Testing and alignment for the high voltage transformer.

5-2 Low Voltage Transformer

Testing and continuity checks for the low voltage transformer.

5-3 Magnetron

Procedures for checking magnetron continuity and function.

5-4 High Voltage Capacitor

Testing procedures for the high voltage capacitor.

5-5 High Voltage Diode

Method for checking the high voltage diode's resistance.

5-6 Main Relay and Power Control Relay

Checking continuity of main and power control relays.

5-7 Adjustment of Primary Switch, Door Sensing Switch and Monitor Switch

Adjusting safety interlock switches for proper door closure.

5-8 Output Power of Magnetron

Procedure for measuring magnetron output power via temperature rise.

5-9 Microwave Heat Distribution - Heat Evenness

Method for checking microwave heat distribution uniformity.

5-10 Procedure for Measurement of Microwave Energy Leakage

Detailed steps for measuring microwave energy leakage.

5-11 Check for Microwave Leakage

Performing a basic check for microwave leakage.

5-12 Note on Measurement

Important notes and precautions for accurate measurement procedures.

5-13 Leakage Measuring Procedure

Procedures for recording and reporting leakage measurements.

Troubleshooting

6-1 Electrical Malfunction

Troubleshooting electrical issues and common malfunctions.

6-1 Electrical Malfunction(continued)

Continuation of electrical malfunction troubleshooting.

Exploded Views and Parts List

7-1 Exploded Views

Visual diagrams showing the assembly of components.

7-2 Main Parts List

List of main components with part numbers and specifications.

7-3 Door Parts List

Specific parts list for the oven door assembly.

7-4 Control Parts List

Parts list for the control panel and associated components.

7-5 Body Latch Parts List

Parts list for the body latch mechanism.

7-6 Standard Parts List

List of standard hardware and common parts used.

P.C.B Diagrams

8-1 P.C.B Diagram

Schematic diagram of the main printed circuit board.

8-2 P.C.B Parts List

List of components found on the printed circuit board.

Schematic Diagrams

9-1 Schematic Diagram

Overall schematic diagram of the microwave oven's electrical system.

Samsung M245 Specifications

General IconGeneral
TypeCountertop
Power Levels10
TurntableYes
ColorBlack
Child Safety LockYes
Warranty1 Year Limited
InstallationFree-Standing

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