Whirlpool SPEEDCOOK GH6208 XR, Technical Education

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6-1
DIAGNOSTICS & TROUBLESHOOTING
PRIMARY, SECONDARY, AND MONITOR
INTERLOCK SWITCH CHECKOUT PROCEDURE
Primary, Secondary, and Monitor Interlock Switch Checkout Procedure
Switch Check By Door Open Door Closed
Primary
Interlock
1. Unplug microwave oven or disconnect power.
2.
Disconnect the wires at the Primary Interlock Switch.
3. Check from the common terminal (brown wires) to the normally
open terminal (brown/white wires).
- +
1. Unplug microwave oven or disconnect power.
2. Disconnect the wires at the Primary Interlock Switch.
3. Check from the common terminal (brown wires) to the normally
closed terminal (orange wire).
+ -
Secondary
Interlock
1. Unplug microwave oven or disconnect power.
2. Disconnect the wires at the Secondary Interlock Switch.
3. Check from the common terminal (blue wire) to the normally open
terminal (white/blue wires).
- +
Monitor
Interlock
1. Unplug microwave oven or disconnect power.
2. Disconnect the wires at the Monitor Interlock Switch.
3.
Check from the common terminal (blue wire) to the normally
closed terminal (white/red wires).
+ -
(+) Continuity (-) No Continuity
NOTE: The circuits shown are not intended to show a complete circuit. They represent the po-
sition of the door switches during “Door Open” or “Door Closed” conditions (continuity checks
only).
Monitor
Interlock
Switch
Primary
Interlock
Switch
Secondary
Interlock
Switch
(NC) (NO)
(NC)
(NO) (NC) (NO)
L N
Monitor
Interlock
Switch
Primary
Interlock
Switch
Secondary
Interlock
Switch
(NC) (NO) (NC)
(NO) (NC) (NO)
L N
Door Closed Door Open