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Door Sensing Switch
•
Attached to the latch bracket.
(See picture in
Door Switch Removal
•
Provides door status to the Smart Board.
•
Switch is closed when door is closed and open
when door is open.
•
When switch is open, 5 VDC can be read on
the Smart Board between pins 1 and 3 of CN7.
When switch is closed, voltage goes to 0 VDC.
To remove the Door Sensing Switch:
(See
Door Switch Removal
Door Switch Removal
1. Remove the control panel. (See
.)
Removal
2. Disconnect wiring to the door switches.
3. Remove the 2 Phillips-head screws that attaches
the plastic latch bracket to the microwave oven
frame, then remove the latch bracket.
Primary Interlock Switch
Latch
Bracket
section.)
.)
Control Panel
Upper Heater Interlock
Switch (located behind
monitor switch)
Monitor Switch
Door Sensing Switch
4. Using a small À at blade screwdriver, release the
tabs and remove the door switch from the latch
bracket.
Damper Switch
•
Location - Behind control panel next to oven
cavity.
•
Part of the Damper Assembly.
•
The Damper Switch is used for a timing event.
When the damper door is closed and then
opened, a timer is triggered on the Smart Board.
The Damper Motor will run until the timer has
timed out. This time-based motor operation is
used for both opening and closing the damper.
•
Switch is open when the damper door is closed.
•
When switch is open (damper door closed), 5
VDC can be read on Smart Board between pins
3 and 4 of CN7. When switch is closed, voltage
goes to 0 VDC.
To remove the Damper Switch:
(See
Damper Assembly Removal
– 39 –
.)
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