Page 3
MD24 and MD30
MD24 and MD30
1-2
#824820 - Revision A - November, 2013
TABLE OF CONTENTS
Section 1 - General Information
Introduction ........................................................................1-1
Important Safety Information ............................................1-1
Technical Assistance ........................................................1-1
Table of Contents ..............................................................1-2
Warranty Information ........................................................1-3
Model Warranty Tag Information ......................................1-3
Model Warranty Tag Location ............................................1-3
Microwave Drawer Features ..............................................1-4
Microwave Drawer Layout..................................................1-4
Touch Control Panel Layout ..............................................1-4
Cookware Suggestions ......................................................1-5
Radio and TV Interference ................................................1-5
Care and Cleaning ............................................................1-5
Section 2 - Installation Information
Installation Information ......................................................2-2
Electrical Requirements ....................................................2-2
Installation Requirements ..................................................2-2
Clearances and Dimensions MD24....................................2-3
Clearances and Dimensions MD30....................................2-4
MD24 and MD30 Specifications ........................................2-4
Section 3 -Theory and Operation
Control Lock ......................................................................3-2
Open/Close ........................................................................3-2
Clock ................................................................................3-2
Timer ................................................................................3-2
Audible Signal ..................................................................3-2
Cook Time Completion Reminder ....................................3-2
Demonstration Mode ........................................................3-3
Power Level ......................................................................3-3
Multiple Sequence Cooking ..............................................3-3
Auto Start ..........................................................................3-4
Add Minute ........................................................................3-4
Keep Warm ........................................................................3-4
Popcorn ............................................................................3-4
Melt ................................................................................3-4
Soften ................................................................................3-4
Beverage ..........................................................................3-5
Wolf Gourmet ....................................................................3-5
Sensor Reheat ..................................................................3-5
Time Adjustment (sensor cooking) ....................................3-5
Auto Defrost ......................................................................3-5
Manual Defrost ..................................................................3-5
Off Condition ......................................................................3-6
Cooking Condition ............................................................3-6
Power Level ......................................................................3-6
Sensor Cooking Condition ................................................3-7
Section 4 - Component Access and Removal
Warnings and Cautions ....................................................4-2
Microwave Measurement Procedure ................................4-3
Before Operating Oven after Service ................................4-3
Emergency Opening of Drawer ........................................4-4
Un-installing the Microwave Drawer ..................................4-4
Removing Cord and Outer Case ......................................4-4
Accessing Rear Components ............................................4-4
Metal Key Unit Frame Assembly ........................................4-4
Noise Filter Board Replacement ......................................4-5
Latch Hook and Microswitch Removal ..............................4-5
Adjusting Monitor, Stop and Secondary Interlock ............4-5
After Adjusting Latch Hook ................................................4-6
Drawer Assembly and Choke Removal..............................4-6
Drawer Support Angle Removal ........................................4-6
Drawer Latch Removal ......................................................4-7
Auto Drawer Gear Removal ..............................................4-7
Auto Drawer Gear Installation ..........................................4-7
Rack Gear/Oil Damper Removal........................................4-8
After Reassembly ..............................................................4-8
Section 5 - Troubleshooting Guide
Warnings and Cautions ....................................................5-2
Troubleshooting Chart ......................................................5-3
Control Panel Assembly Test ............................................5-4
CPU-Drawer Board & Display Harness Test ....................5-4
PSU-Drawer Board and Relay Test ..................................5-5
Defrost Test ......................................................................5-6
PSU-Drawer Board Fuse is Open ....................................5-6
AH Sensor Test ................................................................5-8
Magnetron Assembly Test (includes Power Output) ......5-10
Thermal Cut-Out Test ....................................................5-11
Secondary Interlock Switch Test ......................................5-11
Stop Switch Test ..............................................................5-11
Monitor Switch Test ........................................................5-12
Blown Monitor Fuse Test ................................................5-12
MD Transformer Test ......................................................5-13
Noise Filter Test ..............................................................5-13
High Voltage Rectifier Test ..............................................5-14
Relay Diode Test ............................................................5-14
High Voltage Capacitor Test ............................................5-15
PSU-Drawer Board Picture ............................................5-15
CPU-Drawer Board Picture ............................................5-16
SW PSU-Drawer Board Picture ......................................5-16
Noise Filter Board Picture ..............................................5-16
Section 6 - Wiring Diagrams
MD Wiring Schematic (off condition) ................................6-2
MD Wiring Diagram ..........................................................6-3
Control Unit Circuit ............................................................6-4
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