Tech Sheet

FOR SERVICE TECHNICIAN’S USE ONLY
30
Component
Serviceable
Side
Procedure Results - Resistance
Component
Location
Primary Interlock
Switch
Top 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 1:
Door Open = Innite
Door Closed = Continuity
N
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.
Test 2:
Door Open = Continuity
Door Closed = Innite
Secondary Interlock
Switch
Top 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.
Door Open = Continuity
Door Closed = Innite
I
Monitor Interlock
Switch
Top 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.
Door Open = Continuity
Door Closed = Innite
O