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©2002 Maytag Appliances Company 3 16021668 Rev. 0
3
Important Information ................................................... 2
Important Product Information...................................... 4
Important Safety Information ........................................ 5
Microwave Leakage Testing ......................................... 6
General Information
Location of Model Number ........................................ 7
Model Identification ................................................... 7
Parts and Accessories .............................................. 7
Service ...................................................................... 7
Asure™ Extended Service Plan ................................ 7
Oven Specifications ACO15* Models ........................ 7
Oven Specifications ACO18* Models ........................ 7
Electrical Rating ........................................................ 7
Electrical Requirements ............................................ 7
Grounding Instructions .............................................. 8
Microwave Oven Description .................................... 8
Testing Procedures
Primary Interlock Switch Test .................................... 9
Secondary Interlock Switch Test ............................... 9
Interlock Monitor Switch Test .................................... 9
Magnetron ................................................................. 9
High Voltage Transformer ....................................... 9
High Voltage Capacitor ........................................... 10
High Voltage Diode ................................................. 10
Humidity Sensor ...................................................... 10
Relay ....................................................................... 10
Control Key Panel ....................................................10
Circuit Board ........................................................... 12
Fuse ........................................................................ 12
Fan Motor................................................................ 12
Oven Thermostat .................................................... 12
Base Thermostat - ACO18*, JMV8196*,
MMV4184*, and MMV5186* only ......................... 12
Magnetron Thermal Fuse - ACO18*, JMV8196*,
MMV4184*, and MMV5186* only ......................... 12
Surge Resistor ........................................................ 12
Troubleshooting Procedures ...................................... 13
Disassembly Procedures
Grille........................................................................ 18
Door Assembly ........................................................ 18
Door Disassembly ................................................... 18
Control Panel .......................................................... 19
P.C. Board ............................................................... 19
Control Key Panel ................................................... 20
Outer Case.............................................................. 20
Stirrer Assembly (some models) ............................. 21
Interlock Door Latch Switches ................................ 21
High Voltage Capacitor ........................................... 22
Diode....................................................................... 22
Transformer ............................................................ 23
Fuse ........................................................................ 23
Magnetron ............................................................... 23
Magnetron Fan Assembly ....................................... 23
Magnetron Thermal Fuse........................................ 24
Humidity Sensor ...................................................... 24
Oven Thermostat .................................................... 24
Base Thermostat..................................................... 25
Light Socket ............................................................ 25
Turntable Motor ....................................................... 25
Vent Blower ............................................................. 25
Wiring Diagrams And Schematics
ACO1520* and ACO1530* Models ......................... 26
ACO1560* and MMV5156* Models ......................... 27
ACO18*, JMV8196*, MMV4184*, and
MMV5186* Models............................................... 28
Appendix A
Installation Instructions
Parts, Tools, and Materials.................................. A-4
Preparing Electrical Connection.......................... A-5
Preparing Venting System .................................. A-5
Preparing Venting Blower.................................... A-7
Preparing Wall and Upper Cabinet ..................... A-8
Attaching Oven to the Wall ............................... A-10
Appendix B
Care and Cleaning .............................................. B-2
Table of Contents