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Table of Contents
SPECIFICATIONS .................................................................................................................. 1-1
COMPONENT ACCESS ......................................................................................................... 2-1
Oven Cabinet Component Locations ................................................................................... 2-1
Microwave Oven Component Locations .............................................................................. 2-1
Removing The Microwave Oven Assembly ......................................................................... 2-2
Removing The Oven Control & Display Boards
And The Touch Panel Assembly ....................................................................................... 2-3
Removing The Low Voltage Transformer, The Light Power
Supply, & Suppressor Board ............................................................................................. 2-5
Removing The Blower Motor Assembly ............................................................................... 2-7
Removing The Microwave Oven From The Oven Cabinet .................................................. 2-8
Removing The Primary, Secondary, & Monitor Interlock Switches
And The Air Pressure Relief Valve .................................................................................. 2-10
Removing The Grill Thermal Fuse And The Grill Element Assembly ................................ 2-12
Removing The Convection Temperature Sensor, The Halogen Lamp,
And The Cavity Thermal Fuse ........................................................................................ 2-14
Removing The Convection Thermal Fuse, Convection Element,
And Convection Fan Motor ............................................................................................. 2-16
Removing The Cooling Fan Motor & Air Vent Solenoid ..................................................... 2-18
Removing The Magnetron Thermal Fuse And The Magnetron .......................................... 2-20
Removing The High Voltage Transformer .......................................................................... 2-22
Removing The Line Fuse & Fuseholder, The High Voltage Rectifier,
& High Voltage Capacitor ................................................................................................ 2-24
Removing The Turntable Motor ......................................................................................... 2-26
Removing The Oven Door Handle & Front Door Glass ..................................................... 2-27
Removing The Oven Door & The Inner Glass ................................................................... 2-28
COMPONENT TESTING ........................................................................................................ 3-1
The Turntable & Cooling Fan Motors ................................................................................... 3-1
The Low Voltage Transformer & Light Power Supply .......................................................... 3-2
The Blower & Convection Fan Motors ................................................................................. 3-3
The Convection Temperature Sensor .................................................................................. 3-4
The Cavity, Grill, Convection, & Magnetron Thermal Fuses ................................................ 3-5
The Convection Element & Grill Element Assembly ............................................................ 3-6
The Line Fuse, High Voltage Rectifier, & High Voltage Capacitor ....................................... 3-7
The Air Vent Solenoid & Interlock Switches ......................................................................... 3-8
The High Voltage Transformer & Magnetron ....................................................................... 3-9
Control Panel Resistor ....................................................................................................... 3-10
DIAGNOSIS & TROUBLESHOOTING .................................................................................... 4-1
Failure/Error Display Codes ................................................................................................. 4-1
Components That Can Be Tested At The Control Panel ..................................................... 4-1
Electronic Oven Control Pinouts .......................................................................................... 4-2
Microwave Oven Power Output Test ................................................................................... 4-3
Microwave Oven Relay Logic ............................................................................................... 4-3
Troubleshooting Chart .......................................................................................................... 4-4
WIRING DIAGRAMS & STRIP CIRCUITS .............................................................................. 5-1
TECH TIPS ............................................................................................................................. 6-1
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Summary of Contents for KAC-24
Page 1: ...TECHNICAL EDUCATION JOB AID 4317283 KAC 24 BUILT IN MICROWAVE OVEN ...
Page 12: ... xii NOTES ...
Page 44: ...2 30 NOTES ...
Page 65: ...6 3 NOTES ...
Page 66: ...6 4 NOTES ...