Door Switches, Continued
Primary Switch
A. Closed circuit when the door is closed,
open circuit when the door is open.
B. Open circuit when the door is closed,
closed circuit with door open.
C. Same function as switch A.
Thermostats and Thermal Cut Outs
Cavity TCO
Bottom TCO
Hood TCO
Magnetron TCO
The interlock switches are not adjustable.
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cavity with two screws.
IMPORTANT: Check for microwave leakage
after replacing or adjusting the door.
Bottom TCO
The Bottom TCO opens the line voltage to the
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the oven. It opens at 250 degrees and is
non-resettable.
Hood TCO
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blower if the bottom of the unit reaches 158
degrees. The vent blower will turn off when
the bottom cools to 104 degrees. It is normal
for the fan to operate after the oven is turned
off.
Cavity TCO
The Cavity TCO is a thermal cut out and
disables oven operation when the top cavity
duct temperature reaches 230 degrees. This
provides protection for the microwave in case
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oven cavity. The cavity TCO is non-resettable.
Cavity TCO - Replacement
The Cavity TCO is located on the top side
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behind a plastic door. The TCO is tightly held
to the top of the cavity by a spring clip. It can
be accessed without removing the unit from
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uninstall the oven and remove the outer case.
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Turn Table Motor
To Service the Turntable Motor
Disconnect power and remove bottom plate
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connect the turntable motor wire. Remove
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motor.
Primary Switch
A
Secondary Switch
C
Monitor Switch
B
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