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Electrolux MCC4060E User Manual

Electrolux MCC4060E
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SOI 12.06 FV 599 37 42-75
SERVICE MANUAL
MICROWAVE OVENS
© ELECTROLUX HOME PRODUCTS
Corso Lino Zanussi,30
Publication No.
I - 33080 PORCIA /PN (ITALY)
599 37 42-75
Tel +39 0434 394850
Fax +39 0434 394096
SOI
Edition: 12.2006
EN/SERVICE/FV
Microwave Oven
GRILL AND CONVECTION
MICROWAVE OVEN
(Micromat Combi)
MCC4060E
MO940CXE
EMC4090X
ZM40STX
ZM40STN
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Electrolux MCC4060E Specifications

General IconGeneral
BrandElectrolux
ModelMCC4060E
CategoryMicrowave Oven
LanguageEnglish

Summary

Caution, Microwave Radiation

General Important Information

Information for service engineers regarding operation and service of the oven.

Servicing and Safety Information

Warning to Service Personnel

Critical warnings and advice for technicians performing service on the oven.

General Information and Earthing

General appliance information including mandatory earthing requirements.

Product Specifications

Appearance View

Control Panel Overview

Digital Display and Indicators

Describes indicators on the control panel.

Operating Keys and Functions

Details the buttons and knobs on the control panel.

Control Panel Variations

EMC4090X Model Control Panel

Specific layout and features of the EMC4090X control panel.

Multiple Model Control Panels

MO040CXE, ZM4060STX, ZM4090X, ZM4090STN Panels

Control panel configurations for several microwave oven models.

Operation Sequence

Off Condition and Initial Setup

Describes the oven's state when off and initial power-on sequence.

Microwave Cooking Operation

Details the sequence for high microwave cooking.

Variable Microwave Power Levels

Explains power levels for microwave cooking.

Grill Cooking Operation

Outlines the process for cooking with the grill element.

Convection Cooking Pre-heating

Covers the pre-heating phase for convection cooking.

Convection Cooking Modes

Details convection cooking at different temperatures.

Dual Cooking Modes

Explains operations for microwave/convection and microwave/grill cooking.

Magnetron ON/OFF Time Ratios

Shows time ratios for magnetron power output.

Automatic and Power Reduction Features

Describes automatic cooking and power reduction logic.

Function of Important Components

Door Mechanism and Safety Switches

Details door opening, latch, stop, and monitor switches.

Fuses, Transformer, and Thermal Cut-outs

Explains the function of fuses, TC transformer, and thermal cut-outs.

Rectifiers, Filters, Motors, and Heating Elements

Describes asymmetric rectifier, noise filter, motors, and heating elements.

Convection Cooking System Description

Details how the convection heating system operates.

Damper Mechanism Operation

Describes the auto-damper's function in different cooking modes.

Damper Operation Summary

Summarizes damper operation based on cooking mode.

Troubleshooting Guide

Test Procedures

Magnetron and Microwave Output Tests

Procedures for testing the magnetron and measuring microwave output power.

High Voltage Transformer Test

Instructions for testing the primary, secondary, and filament windings.

Rectifier and Capacitor Tests

Procedures for testing HV rectifier, asymmetric rectifier, and capacitor.

Switch, Thermistor, and Thermal Cut-out Tests

Testing procedures for switches, thermistor, and thermal cut-outs.

Motor Winding, Noise Filter, and Fuse Tests

Tests for motor windings, noise filter, and blown fuses F1/F2.

Heating Element and Control Panel Tests

Testing procedures for grill/convection elements and control panel assembly.

Key, Jog Unit, and Relay Tests

Procedures for testing key/jog units and relays.

Printed Wiring Board (PWB) Foil Pattern Checks

Troubleshooting open foil patterns on the PWB.

Jog Control Panel Assembly

Servicing

Handling Electronic Components

Precautions for safely handling sensitive electronic components.

Touch Control Panel Servicing

Procedures and precautions for servicing the touch control panel.

Required Servicing Tools

Lists tools needed for touch control panel service.

General Servicing Precautions

Additional safety and handling advice for servicing.

Component Replacement and Adjustment Procedure

General Safety and Wiring Warnings

Crucial safety warnings before operating or servicing the oven.

Built-in Frame Assembly Removal

Steps to remove the oven's built-in frame assembly.

Outer Case and HV Component Removal

Procedures for removing the outer case and high voltage parts.

Transformer and Magnetron Removal

Steps for replacing the high voltage transformer and magnetron.

Control Panel and Fan Motor Replacement

Procedures for removing the control panel and replacing the fan motor.

Turntable Motor and Convection Unit Removal

Steps for replacing the turntable motor and convection components.

Motor, Connector, Lamp, and Power Cord Replacement

Procedures for replacing convection motor, connectors, lamp, and power cord.

Grill Elements and Switch Adjustments

Removal of grill elements and adjustment of door switches.

Door Replacement Procedure

Detailed steps for removing and replacing the oven door.

Microwave Measurement

Microwave Leakage Measurement Requirements

Specifies the safety requirements for microwave leakage.

Leakage Test Preparation and Procedure

Outlines the steps for conducting a microwave leakage test.

Test Data Summary

Provides a quick reference for key component specifications and values.

Schematics

Oven Schematic - OFF Condition (Plugged In)

Schematic diagram showing the oven's OFF state after plugging in.

Oven Schematic - OFF Condition (Door Open)

Schematic showing the oven's OFF state when the door is open.

Oven Schematic - Microwave Cooking

Diagram illustrating the circuit during microwave cooking.

Oven Schematic - Grill Cooking

Schematic showing the circuit during grill cooking mode.

Oven Schematic - Convection Cooking

Diagram illustrating the circuit during convection cooking.

Oven Schematic - Dual Cooking (Microwave/Convection)

Circuit diagram for dual microwave and convection cooking.

Oven Schematic - Dual Cooking (Microwave/Grill)

Circuit diagram for dual microwave and grill cooking.

Pictorial Wiring Diagram

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