Diagnostics & Troubleshooting; Primary, Secondary, And Monitor Interlock Switch Checkout Procedure - Whirlpool SPEEDCOOK GH6208 XR Technical Education

DIAGNOSTICS & TROUBLESHOOTING
PRIMARY, SECONDARY, AND MONITOR
INTERLOCK SWITCH CHECKOUT PROCEDURE

Primary, Secondary, and Monitor Interlock Switch Checkout Procedure

Switch Check By
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).
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
closed terminal (orange wire).
1. Unplug microwave oven or disconnect power.
Secondary 2. Disconnect the wires at the Secondary Interlock Switch.
Interlock
3. Check from the common terminal (blue wire) to the normally open
terminal (white/blue wires).
1. Unplug microwave oven or disconnect power.
2. Disconnect the wires at the Monitor Interlock Switch.
Monitor
Interlock
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).
Door Closed
L
(NC) (NO)
(NO)
Secondary Monitor
Interlock Interlock
Switch Switch
N
(NC)
(NC) (NO)
Primary
Interlock
Switch
Door Open
L
(NC) (NO)
(NO)
Secondary
Interlock
Switch
6-1
Door Open Door Closed
-
+
-
+
(NC)
(NC) (NO)
Monitor
Primary
Interlock
Interlock
Switch
Switch
+
-
+
-
N