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Electrolux E30SO75ESS - User Manual

Electrolux E30SO75ESS
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P/N 316439260Publication # 5995505426
1
E30SO75ESS
In the interest of user-safety the oven should be restored to its original condition and only parts identical to those specified should
be used.
WARNING TO SERVICE PERSONNEL: Microwave ovens contain circuitry capable of producing very high voltage and
current, contact with following parts may result in a severe, possibly fatal, electrical shock. (High Voltage Capacitor,
High Voltage Power Transformer, Magnetron, High Voltage Rectifier Assembly, High Voltage Harness etc..)
TABLE OF CONTENTS
HIGH SPEED CONVECTION
MICROWAVE OVEN
Page
PRECAUTIONS TO BE OBSERVED BEFORE AND DURING SERVICE TO
AVOID POSSIBLE EXPOSURE TO EXCESSIVE MICROWAVE ENERGY ................. INSIDE FRONT COVER
BEFORE SERVICING .................................................................................................... INSIDE FRONT COVER
WARNING TO SERVICE PERSONNEL .............................................................................................................. 1
MICROWAVE MEASUREMENT PROCEDURE .................................................................................................. 2
FOREWORD AND WARNING ............................................................................................................................. 3
PRODUCT SPECIFICATIONS ............................................................................................................................ 4
GENERAL INFORMATION ................................................................................................................................. 4
OPERATION ........................................................................................................................................................ 6
TROUBLESHOOTING GUIDE .......................................................................................................................... 13
TEST PROCEDURE .......................................................................................................................................... 15
TOUCH CONTROL PANEL ............................................................................................................................... 26
PRECAUTIONS FOR USING LEAD-FREE SOLDER ....................................................................................... 30
COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE .............................................................. 31
PICTORIAL DIAGRAM ...................................................................................................................................... 39
POWER UNIT CIRCUIT .................................................................................................................................... 40
CPU UNIT CIRCUIT .......................................................................................................................................... 41
PARTS LIST ...................................................................................................................................................... 42
PACKING AND ACCESSORIES ....................................................................................................................... 47
E30SO75ESS
S75M255E30SO7
MODEL
ELECTROLUX
SERVICE MANUAL
ELECTROLUX HOME PRODUCTS, INC.
P. O. Box 212378, Augusta, GA, 30917
800•944•9044
This document has been published to be used for after sales service only. The contents are subject to
change without notice.

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Electrolux E30SO75ESS Specifications

General IconGeneral
BrandElectrolux
ModelE30SO75ESS
Installation TypeBuilt-In
Oven TypeSingle
Number of Oven Racks2
Self-CleaningYes
Convection CookingYes
Precision Cooking SystemYes
Quick PreheatYes
BroilerYes
Warming DrawerNo
ColorStainless Steel
Width30 inches
Voltage240 V
Interior LightYes
TypeSingle Oven
Control TypeElectronic
Weight150 lbs.
Amperage30A

Summary

Microwave Oven Safety Precautions

Pre-Service Safety Checks

Procedures to follow before starting microwave oven service to prevent hazards.

Service Personnel High Voltage Warnings

High Voltage Capacitor Discharge Procedure

Steps to safely discharge the high-voltage capacitor before servicing the oven.

Post-Repair Functional Checks

Procedures for running and checking oven functions after repairs are completed.

Microwave Leakage Measurement Procedure

Testing Requirements and Setup

Details on required instruments, load preparation, and test conditions for leakage measurement.

Electrolux Microwave Oven Specifications

General Information

General overview and important information about the microwave oven.

Grounding Instructions

Guidelines for properly grounding the microwave oven for electrical safety.

Oven Electrical Specifications and Requirements

Component Identification Diagram

Diagram illustrating the main external components of the microwave oven.

Microwave Oven Operation Sequence

Microwave and Convection Cooking Modes

Description of how microwave and convection cooking modes are activated and function.

Microwave Oven Fire Sensing System

Fire Sensing Feature Operation

Explanation of how the fire sensing feature detects and responds to fires during cooking.

Microwave Oven Component Descriptions

Door Interlock and Monitor Switch Functions

Details on door sensing, interlock, and monitor switches for safety and operation.

Thermistor and Thermal Cut-out Functions

Explanation of thermistor, magnetron fuse, and thermal cut-outs for temperature monitoring.

Heating Elements and Motors

Description of top/side heating elements, turntable, and fan motors.

Microwave Oven Troubleshooting Guide

Troubleshooting Safety and Procedures

Important safety notes and procedural steps for troubleshooting the microwave oven.

Component Test Procedures

Magnetron Assembly Test

Procedure for testing the magnetron assembly for continuity and resistance.

Power Transformer Test

Procedure to test the power transformer's primary, high voltage, and filament coils.

High Voltage Capacitor Test

Method to test the high voltage capacitor for shorts or opens using an ohmmeter.

Secondary Interlock Switch Test

Procedure to test the secondary interlock switch for proper operation when the door is closed.

Touch Control Panel Servicing Guide

Handling Electronic Components Safely

Precautions for handling electronic components, especially CMOS LSI, to prevent damage.

Servicing Tools

List of tools recommended for servicing the touch control panel assembly.

Precautions for Using Lead-Free Solder

Proper Soldering Techniques

Guidelines for using lead-free solder and maintaining soldering bits.

Component Replacement and Adjustment Procedures

Outer Case Removal

Step-by-step instructions for removing the outer case cabinet of the microwave oven.

Door Switch Adjustment Procedures

Adjustment steps for door sensing, secondary interlock, and monitor switches for proper operation.

Microwave Oven Pictorial Component Diagram

CPU Unit Circuit Schematic

Schematic diagram illustrating the connections and components of the CPU unit.

Electrolux Microwave Oven Parts List

Electrical Parts

Detailed list of electrical parts with part numbers and descriptions.

Door Parts

List of parts specific to the microwave oven door assembly.

Miscellaneous Parts

List of miscellaneous items including hardware and accessories.

Microwave Oven Packing and Accessories

Packing Case Components

Diagram and list of components used for packing the microwave oven.

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