KitchenAid KEMS378S - Page 4

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COMPONENT TESTING ........................................................................................................ 5-1
UPPER OVEN COMPONENTS ......................................................................................... 5-1
Humidity Sensor ............................................................................................................. 5-1
Cavity Thermostat .......................................................................................................... 5-1
Microwave Light Transformer ......................................................................................... 5-2
Convection Thermoactuator ........................................................................................... 5-2
Monitor Fuse .................................................................................................................. 5-3
Microwave Door Interlock Switches ............................................................................... 5-3
Magnetron Thermostat ................................................................................................... 5-4
Magnetron ...................................................................................................................... 5-4
Main L1 & L2 Filters ....................................................................................................... 5-5
Grill & Convection Thermostats ...................................................................................... 5-5
Magnetron Fan Motor ..................................................................................................... 5-6
Microwave Inverter Board .............................................................................................. 5-6
Grill Element ................................................................................................................... 5-7
Lower Oven Light Transformer ....................................................................................... 5-7
Microwave Convection Ring Element ............................................................................. 5-8
Microwave Convection Fan Motor .................................................................................. 5-8
Turntable Motor .............................................................................................................. 5-9
Measure Oven Input Current .......................................................................................... 5-9
LOWER OVEN COMPONENTS ..................................................................................... 5-10
Door Latch Assembly ................................................................................................... 5-10
Broil Element .................................................................................................................5-11
Oven Temperature Sensor ............................................................................................5-11
Convection Ring Element ............................................................................................. 5-12
Convection Fan Motor ................................................................................................. 5-12
Meat Probe Jack .......................................................................................................... 5-13
Blower Motor ................................................................................................................ 5-13
Blower Speed Resistor ................................................................................................. 5-14
Oven Shutdown Thermal Cutoff (TCO) ........................................................................ 5-14
Hidden Bake Element ................................................................................................... 5-15
DIAGNOSTICS & TROUBLESHOOTING ............................................................................. 6-1
Diagnostics
........................................................................................................................ 6-1
Failure/Error Display Codes
............................................................................................... 6-2
Fahrenheit To Celsius Conversion ..................................................................................... 6-7
Adjust Oven
Temperature Calibration ................................................................................ 6-7
Programming The Cavity Size ........................................................................................... 6-7
Keypads
............................................................................................................................. 6-7
MW Power Output Test ...................................................................................................... 6-8
Relay Logic - Microwave Oven
.......................................................................................... 6-8
Relay Logic - Lower Oven .................................................................................................. 6-8
WIRING DIAGRAM & STRIP
CIRCUITS .............................................................................. 7-1
Wiring Diagram
.................................................................................................................. 7-1
Strip Circuits ....................................................................................................................... 7-2
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