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Microwave Fuse
The microwave fuse is located in the front corner
of the control compartment next to the vent fan.
Magnetron Capacitor and Diode
Caution: The capacitor holds its 4400V charge
for at least 2 minutes after power is removed.
Always be certain that the capacitor is discharged
before servicing. Mechanically discharge by
placing an insulated handle screwdriver between
the diode connection of the capacitor and oven
chassis ground.
The magnetron capacitor and diode are located in
the left rear corner of the control compartment
next to the high voltage transformer.
Diode
High Voltage Transformer
When replacing the microwave fuse, use only the
20 amp fuse, WB08T10027.
If the door interlock switches fail (monitor switch
fails to open when door is closed, or the right
primary interlock switch fails to open when door is
opened), the fuse will open due to having 240V/
208V across it. The fuse may open if there is
arcing across the switches or they open/close too
slowly. The fuse may also open due to a voltage
or current spike during normal operation.
Capacitor
Stirrer Motor
The stirrer motor drives the antenna assembly
and is located in the center of the control
compartment.
The stirrer motor has an approximate resistance
value of 3.4K Ω. The motor rotation direction is
random at each start.
HVT Cooling Fan (Double and Single Wall
Ovens)
• Located in the left rear corner of the control
compartment.
• Has an approximate resistance value of
14.5 Ω.
High Voltage Transformer
HVT Fan
Microwave Fuse
Vent Fan
Stirrer Motor
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