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Component Description & Testing.................................................................................................................. 3 -1
Important Safety Instructions.................................................................................................................... 3- 1
The Thermal Fuses..................................................................................................................................... 3-4
The Blower Motor Capacitor .....................................................................................................................3 -5
The Gas Sensor ..........................................................................................................................................3-6
The Convection Thermistor....................................................................................................................... 3 -7
The Convection Heating Element............................................................................................................. 3-8
Motors........................................................................................................................................................... 3- 9
Programming Checks............................................................................................................................... 3-10
Charts .........................................................................................................................................................3-11
Checking The Microwave Power Output ...............................................................................................3-14
Checking For Microwave Energy Leakage ...........................................................................................3-15
Component Testing ..................................................................................................................................3-18
Control Circuit Board Checklist ..............................................................................................................3-23
Primary, Monitor, & Secondary Switch Checkout Procedure............................................................. 3-24
Tech Tips............................................................................................................................................................ 4 -1
Wiring Diagrams.......................................................................................................................................... 4-1
Strip Circuits................................................................................................................................................ 4 -3
Specifications ..............................................................................................................................................4 -6
Model & Serial Number Explanation...................................................................................................... 4-15
Whirlpool Microwave Hood Warranty..................................................................................................... 4-16