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Electrolux In General User Manual

Electrolux In General
29 pages
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SERVICE MANUAL
© AEG Hausgeräte GmbH
Muggenhofer Straße 135
D-90429 Nürnberg
Germany
Fax +49 (0)911 323 1420
TSE - N
Publ.-Nr.:
599 510 968
03.2001
MICROWAVE OVENS
IN GENERAL
Trainingsunterlagen
EN
Ausgabe:
Microwave
Ovens
in general
Fundamentals
Measuring technique
Fault-finding
created by TSE-N, Reiner Kurzke Page 1
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Electrolux In General Specifications

General IconGeneral
BrandElectrolux
ModelIn General
CategoryMicrowave Oven
LanguageEnglish

Summary

Microwave Technology Fundamentals

Microwave Technology Advantages

Discusses benefits like time-saving cooking, healthy cooking, and energy saving.

Frequency and Radiation Spectrum

Explains microwave frequencies and their placement in the non-ionizing radiation spectrum.

Microwave Behavior and Material Interaction

Explains reflection, interpenetration, and absorption of microwaves by different materials.

Suitable Ovenware

Details which types of cookware are suitable or unsuitable for microwave use.

Electromagnetic Energy Conversion and Penetration

Explains how microwave energy heats food and its penetration depth.

Oven Operation and Control

Wave Guiding and Distribution

Explains the wave duct and wave agitator (stirrer) for distributing microwaves.

Microwave Capacity Control

Details how magnetron power is controlled using on/off cycles to achieve different power levels.

Input and Control Panels

Describes mechanical and electronic timer controls and their functions.

Metal in the Oven: Usage and Safety

Discusses the use and risks of metal objects within the microwave oven.

Safety Systems

Wiring Diagram

Presents the electrical wiring diagram for a timer-controlled microwave oven.

Mechanical Safety System

Details the wave trap and door sealing to suppress microwave leakage.

Electromagnetic and Interlock Safety Systems

Explains the 'interlock'-microswitch system for safety interlocks and door monitoring.

Interlock System Operation

Illustrates the door interlock system's function when the door is opened or closed.

High Voltage Circuitry

Primary and Secondary Circuits

Describes the main power input, control elements, and high-voltage secondary circuit.

High Voltage Transformer

Explains the function and windings of the high-voltage transformer.

Voltage Doubling Circuit

Details how the voltage doubler circuit converts AC to high DC voltage for the magnetron.

AK Diode (Protector)

Explains the role of the AK diode in protecting the transformer during normal and fault conditions.

Magnetron Operation

Describes the magnetron as the heart of the oven, generating microwave energy.

Testing, Measurement, and Troubleshooting

Measurements and Repairs - Safety Notes

Provides important safety notes and general procedures for measurements and repairs.

Capacity Measurement Methods

Details simple methods for measuring microwave output power using water.

Leaky Rays Rules and Measurement

States legal limits for microwave leakage and provides a procedure for measurement.

Interlock System Electrical Checks

Explains how to electrically check the primary, secondary, and monitor interlock switches.

Component Testing: Fuse Diode, HV Diode

Guides on how to test the fuse diode (AK-Diode) and the high-voltage diode.

Component Testing: Magnetron, HV Capacitor, HV Transformer

Details resistance checks for magnetron, capacitor, and transformer windings.

Fault Finding Tree - Operation and Power Issues

Presents diagnostic flowcharts for troubleshooting oven operation and power issues.

Fault Finding Tree - Operation Stops and Low Power

Presents diagnostic flowcharts for oven stopping or low power issues.

Fault Finding Tree - No Microwave Capacity

Presents diagnostic flowcharts for troubleshooting ovens with no microwave capacity.

Fault Finding Tree - No Function / No Entry

Presents diagnostic flowcharts for troubleshooting ovens with no function or entry reaction.

Consumer Guidance

Consumer Cooking and Defrosting Advice

Offers tips on cooking, defrosting, and using instant meals in the microwave.

Setting Microwave Capacity Levels

Provides guidance on selecting appropriate power levels for different cooking processes.

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