Primary, Secondary, & Monitor Interlock Switch Checkout Procedure - KitchenAid KBMS1454R Technical Education

PRIMARY, SECONDARY, & MONITOR INTERLOCK
SWITCH CHECKOUT PROCEDURE
Switch Check By
1. Unplug microwave oven or disconnect
power.
Primary 2. Disconnect the wires at the Primary
Interlock Interlock Switch.
3. Check from the common terminal
(white/brown wires) to the normally open
terminal (white wire).
1. Unplug microwave oven or disconnect
power.
2. Disconnect the wires at the Secondary
Interlock Switch.
3. Check from the common terminal (black
Secondary wires) to the normally open terminal
Interlock (white/red wires).
1. Unplug microwave oven or disconnect power.
2. Disconnect the wires at the Secondary Interlock
Switch.
3. Check from the common terminal (black wires)
to the normally closed terminal (orange wire).
1. Unplug microwave oven or disconnect power.
2. Disconnect the wires at the Monitor Interlock
Switch.
Monitor 3. Check from the common terminal (white wire)
Interlock to the normally open terminal (blue wires).
1. Unplug microwave oven or disconnect power.
2. Disconnect the wires at the Monitor Interlock
Switch.
3. Check from the common terminal (white wire)
to the normally closed terminal (red/brown
wires).
(+) Continuity (–) No Continuity
NOTE: These diagrams are not intended to show a complete circuit; they represent the position
of switches during "DOOR OPEN" or "DOOR CLOSED" (continuity checks only).
Door Closed
L
(NC) (NO)
(NC)
(NO)
Secondary Monitor
Interlock Interlock
Switch
Switch
Door Open
N
L
(NC)
(NO)
Primary
Interlock
Switch
6-3
Door Open
(NO)
(NC)
(NO) (NC)
Secondary Monitor
Interlock Interlock
Switch
Switch
Door Closed
– +
– +
+ –
– +
+ –
N
(NC)
(NO)
Primary
Interlock
Switch