Table of Contents

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Models
EI30MH55GBA
EI30MH55GSA
EI30MH55GWA
EI30MH55GZA
EI30MH55GBB
EI30MH55GSB
EI30MH55GWB
EI30MH55GZB
Publication #5995524377
September 2008
P/N 316439261

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Table of Contents
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Summarization of Contents

Basic Information
Safe Servicing Practices
Guidelines for safe operation and maintenance to prevent injury or damage.
Safety Warnings and Precautions
Crucial warnings regarding high voltage, exposure, and proper operational safety.
Product Specifications
Technical details including power, dimensions, and features of the microwave oven.
Grounding Instructions
Proper grounding procedures to prevent electrical shock hazards.
Oven Diagram and Component Identification
Visual overview of the microwave oven's parts and their locations.
Operation
Operating Sequence Overview
Explanation of component functions during the oven's various operational states.
Cooking Modes and Features
Details on variable cooking, sensor cooking, and their sequences.
Ventilation and Schematics
Information on air exhaust methods and electrical oven schematics.
Component Descriptions
Detailed descriptions of key internal oven components and their functions.
Touch Control Panel Functionality
How the key unit and control unit operate the touch control panel.
Troubleshooting
Troubleshooting Guide
General guidance and steps for diagnosing common microwave oven issues.
Component Test Procedures
Detailed tests for various components like inverter, switches, motors, and control panel.
Touch Control Panel Diagnostics
Procedures for testing the key unit and control unit of the touch panel.
Component Teardown
General Servicing Precautions
Safety guidelines for handling components and servicing the control panel.
Major Component Removal
Procedures for removing the outer case, fan motor, magnetron, and thermal cut-outs.
Control Panel and Switch Servicing
Instructions for removing and adjusting control panel, switches, and sensors.
Door Replacement and Adjustment
Steps for replacing the oven door and adjusting its safety switches.
Wiring Diagrams
Pictorial Diagram
Visual representation of component connections and wiring layout.
Power Unit Circuit Diagram
Schematic showing the power supply and related components.
LSI Unit Circuit Diagram
Detailed circuit diagram for the LSI unit and its connections.
Printed Wiring Board Layout
Layout of the printed wiring board with component locations.
Parts List
Electric Parts
List of electrical components and their reference numbers.
Cabinet and Control Panel Parts
Lists for external cabinet components and touch control panel parts.
Oven and Door Components
Parts list for internal oven components and door assembly parts.
Miscellaneous and Packing Items
Includes general hardware, manuals, and packing materials.

Table of Contents