For Service Technician Use Only
COMPONENT TESTING
Whirlpool
®
Smart Wall Ovens
n
3-17
Component Serviceable
Side
Procedure Component
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
operang.
6. Plug in microwave oven or reconnect power.
Test 1:
Door Open = Innite
Door Closed = Connuity
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
operang.
6. Plug in microwave oven or reconnect power.
Test 2:
Door Open = Connuity
Door Closed = Innite
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
operang.
6. Plug in microwave oven or reconnect power.
Door Open = Connuity
Door Closed = Innite
B
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 to the Monitor Interlock
Switch.
5. Reassemble all parts and panels before
operang.
6. Plug in microwave oven or reconnect power.
Door Open = Connuity
Door Closed = Innite
M
Halogen Light Top 1. Unplug microwave oven or disconnect power.
2. Remove wire leads.
3. Measure resistance.
4. Replace wire leads.
5. Reassemble all parts and panels before
operang.
6. Plug in microwave oven or reconnect power.
Normal = approximately
3Ω
Abnormal = Innite
O