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Samsung MW73VR - User Manual

Samsung MW73VR
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Refer to the service manual in the GSPN(see rear cover) for the more information.
1. Precaution
2. ProductSpecication
3. Disassembly and Reassembly
4. Troubleshooting
5. Exploded Views and Part List
6. PCB Diagrams
7. Wiring Diagrams
8. Schematic Diagrams
BASIC: M1736N
MODEL: MW73VR
MODEL CODE: MW73VR/BWT

Questions and Answers

  • P
    Pamela OrtizAug 2, 2025
    What to do if my Samsung Microwave Oven shows 'Gas Sensor Dry Up / No Load'?
    • S
      shannonsullivanAug 3, 2025
      If your Samsung Microwave Oven displays a 'Gas Sensor Dry Up / No Load' error, it means the oven needs food inside to function correctly. To resolve this, simply insert food into the oven and restart the cooking process.
  • C
    Chelsea JensenAug 6, 2025
    How to fix 'Temp. Sensor Open' error in Samsung MW73VR?
    • A
      Ashley SosaAug 6, 2025
      If you encounter a 'Temp. Sensor Open' error on your Samsung Microwave Oven, the issue might be with the sensor itself or its connection. Inspect the sensor part and the connection of the sensor housing and PCB’s connector to ensure they are properly connected.
  • C
    Christopher TaylorAug 11, 2025
    Why does my Samsung Microwave Oven show 'Temp. Sensor T1 Max Time Error'?
    • A
      andrew68Aug 11, 2025
      If your Samsung Microwave Oven displays a 'Temp. Sensor T1 Max Time Error (Preheating not completed)', the heating element may be faulty. Check the heater to ensure it is functioning correctly.
  • C
    Christina VelezAug 15, 2025
    What to do if Samsung MW73VR senses abnormal temperature at Micro Cook?
    • L
      landryadamAug 15, 2025
      If your Samsung Microwave Oven shows that there’s an abnormal temperature sensed at Micro Cook, let the unit cool down before restarting it. This should resolve the issue.
  • T
    tpollardAug 25, 2025
    Why Samsung Microwave Oven temp sensor temperature not increasing after cooking starts?
    • D
      Derek DonovanAug 25, 2025
      If the temperature of your Samsung Microwave Oven's temp sensor does not increase over fixed AD in the first 3 minutes after cooking starts, inspect both the sensor and the heater to ensure they are working correctly.
  • R
    Ronald DeanAug 28, 2025
    How to fix 'EEPROM Open (Sense Failure)' error on Samsung MW73VR Microwave Oven?
    • A
      Anita WalkerAug 28, 2025
      If your Samsung Microwave Oven is showing an 'EEPROM Open (Sense Failure)' error, the EEPROM might need replacement. Replace the EEPROM and then restart the oven.
  • J
    Jared SuttonSep 10, 2025
    How to troubleshoot 'Gas Sensor Open' error on Samsung Microwave Oven?
    • A
      Andrew CooperSep 12, 2025
      If your Samsung Microwave Oven displays a 'Gas Sensor Open' error, it indicates a potential issue with the gas sensor. Check the sensor part and the connection of the sensor housing and PCB’s connector to ensure they are properly connected.

Summary

Microwave Oven Safety Precautions

General Safety Precautions for Servicing

Detailed safety measures for servicing microwave ovens, including handling high voltages and component integrity.

High Voltage Component Safety

Specific warnings and procedures for safely working with high-voltage components within the microwave oven.

Microwave Oven Specifications

Key Product Features

Highlights key design aspects and functional attributes of the microwave oven model.

Technical Specifications Data

Provides detailed technical data, including power, dimensions, and operational parameters of the appliance.

Included Accessories List

Lists included accessories with their respective part numbers and quantities.

Disassembly and Reassembly Procedures

Magnetron, Motor, and Lamp Removal Guide

Step-by-step guide for safely removing key internal components like the magnetron and motor.

High Voltage Transformer Replacement Steps

Instructions for safely replacing the high voltage transformer, including capacitor discharge.

Door Assembly Replacement Procedure

Procedure for disassembling and replacing the microwave oven's door assembly and its parts.

Drive Motor Replacement Guide

Detailed steps for removing and reinstalling the drive motor for the turntable mechanism.

Control Circuit Board Replacement

Guide for safely accessing and replacing the main control circuit board and related components.

Microwave Troubleshooting and Diagnostics

Error Code Numbering Convention

Explains the systematic structure and logic behind the error codes displayed by the appliance.

Comprehensive Error Code List

A comprehensive list of error codes, their meanings, and initial diagnostic steps.

Electrical Malfunction Troubleshooting

General category for diagnosing electrical issues, covering sensor and circuit malfunctions.

Sensor Open Circuit Diagnosis

Troubleshooting flowchart for diagnosing open circuit errors related to various internal sensors.

Sensor Short Circuit Diagnosis

Troubleshooting flowchart for diagnosing short circuit errors in the appliance's sensor system.

Sensor Max Time Error Resolution

Diagnostic steps for errors related to sensor response times during heating cycles.

Control Panel Key Malfunction

Troubleshooting guide for issues where the control panel keys are not functioning correctly.

Weight Sensor Error Diagnosis

Steps to diagnose problems related to the appliance's weight sensing mechanism.

Weight Sensor and Door Operation Issues

Further troubleshooting for weight sensor issues, particularly concerning door operation.

Cooling System Error Resolution

Diagnostic procedures for errors indicating a problem with the cooling system or sensor.

EEPROM Memory Error Handling

Troubleshooting steps for non-volatile memory (EEPROM) related faults.

Preheating Function Error Diagnosis

Steps to diagnose and resolve errors related to the preheating function.

Cooking Time Over-Selection Errors

Guide for troubleshooting errors where cooking times exceed set limits for different modes.

Internal Oven Temperature Errors

Diagnosing issues when the internal oven temperature readings are abnormal.

Swing Heater Detection Error Diagnosis

Troubleshooting steps for errors related to the swing heater's detection mechanism.

Swing Heater Bake Toast Errors

Further diagnostics for swing heater detection issues, specifically in Bake Toast mode.

Oven Non-Operation Troubleshooting

General troubleshooting for when the oven fails to operate, covering fuse, interlocks, and power supply.

Control Panel Button Failure

Troubleshooting guide for when control panel buttons do not respond or function correctly.

No Heating During Operation

Steps to diagnose why the oven heats but does not cook food, focusing on latch switches.

Component Identification and Parts List

Exploded Views of Components

Visual representation of the microwave oven's internal components with part number labels.

Main Component Parts List

Detailed list of primary components with their specifications, quantities, and availability.

Door Assembly Parts List

Specific parts list for the microwave oven's door assembly and its related components.

Control System Parts List

List of parts associated with the control panel and electronic circuitry.

Standard Hardware and Fasteners

General list of standard hardware and common parts used in the appliance construction.

Printed Circuit Board Diagrams

PCB Layout and Component Map

Schematic layout of the Printed Circuit Board (PCB) with component identification.

Electrical Wiring Diagrams

Microwave Oven Wiring Schematic

Illustrates the electrical connections and wire routing throughout the microwave oven.

Detailed Schematic Diagrams

Microwave Oven Circuit Schematics

Comprehensive circuit diagrams detailing the functional blocks and component interconnections.

Samsung MW73VR Specifications

General IconGeneral
Power Output800 Watts
Control TypeMechanical
Cavity MaterialEnamel
Weight11.5 kg
TurntableYes
ColorBlack
Cooking Levels6
Child LockYes
Auto Cook MenuYes
Defrost FunctionYes
Grill FunctionNo
Convection FunctionNo
TypeMicrowave Oven
Capacity20 L

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