FOR SERVICE TECHNICIAN'S USE ONLY
Component Serviceable Side
Primary
Top
Interlock
Switch
Secondary
Top
Interlock
Switch
Monitor
Top
Interlock
Switch
Procedure
Test 1:
1.
Unplug microwave oven or disconnect power.
2.
Disconnect the wires at the Primary Interlock Switch.
3.
Check from the common terminal (brown wire) to the normally
open terminal (yellow wire).
4.
Reconnect the wires at the Primary Interlock Switch.
5.
Reassemble all parts and panels before operating.
6.
Plug in microwave oven or reconnect power.
Test 2:
1.
Unplug microwave oven or disconnect power.
2.
Disconnect the wires at the Primary Interlock Switch.
3.
Check from the common terminal (brown wire) to the normally
closed terminal (blue wire).
4.
Reconnect the wires at the Primary Interlock Switch.
5.
Reassemble all parts and panels before operating.
6.
Plug in microwave oven or reconnect power.
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 wire).
4.
Reconnect the wires at the Secondary Interlock Switch.
5.
Reassemble all parts and panels before operating.
6.
Plug in microwave oven or reconnect power.
1.
Unplug microwave oven or disconnect power.
2.
Disconnect the wires at the Monitor Interlock Switch.
3.
Check from the common terminal (yellow wire) to the normally
closed terminal (blue wire).
4.
Reconnect the wires at the Monitor Interlock Switch.
5.
Reassemble all parts and panels before operating.
6.
Plug in microwave oven or reconnect power.
Results - Resistance
Test 1:
Door Open = Infinite
Door Closed =
Continuity.
Test 2:
Door Open =
Continuity.
Door Closed = Infinite
Door Open =
Continuity.
Door Closed = Infinite
Door Open =
Continuity.
Door Closed = Infinite
18
Component Location
M
H
N