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Primary, Monitor, & Secondary Switch Checkout Procedure - KitchenAid KHMS105E Service Manual

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Microwave Oven Hood Combo Service Manual — LIT 4317216
PRIMARY, MONITOR, & SECONDARY SWITCH
NOTE: The following chart and strip circuits show the continuity and position of the door switches
when the microwave oven door is open and closed.
CONTINUITY TEST CHART
SWITCH
Disconnect the 4-pin connector from the control module.
Primary
Check from the pink wire (pin 1) to the blue wire (pin 3).
Interlock
Disconnect the wires at the Secondary Interlock Switch.
Secondary
Check from the common terminal (white wires) to the
Interlock
normally-open terminal (red/white wires).
Disconnect the wires from the Monitor Switch. Check
Monitor
from the common terminal (red/brown wires) to the
normally-closed terminal (white wire).
Disconnect the wires from the Oven Lamp Switch.
Check from the common terminal (blue wire) to the
normally-closed terminal (red wire).
Oven
Lamp
Disconnect the wires from the Oven Lamp Switch.
Check from the common terminal (blue wire) to the
normally-open terminal (pink/black wire).
DOOR OPEN
L1
SECONDARY
INTERLOCK
SWITCH
DOOR CLOSED
L1
SECONDARY
INTERLOCK
SWITCH
CHECKOUT PROCEDURE
TESTING
N.C.
C
N.O.
OVEN LIGHTS
SWITCH
N.C.
C
N.O.
OVEN LIGHTS
SWITCH
3-25
DOOR
OPEN
(+) = CONTINUITY
(–) = NO CONTINUITY
MONITOR
SWITCH
MONITOR
SWITCH
Original 03/97
Page 3-25
DOOR
CLOSED
+
+
+
+
_
+
RELAY
#2
RELAY
#2
N
N

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