Service Guide
For Service Technician Use Only
COMPONENT TESTING
3-16
n
Whirlpool
®
Smart Wall Ovens
Component Serviceable
Side
Procedure Component
Cavity Thermostat 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 = Connuity
Abnormal = Innite
E
Magnetron Fan
Motor
Top 1. Unplug microwave oven or disconnect power.
2. Remove wire leads.
3. Measure resistance (ohmmeter scale: Rx1).
4. Replace wire leads.
5. Reassemble all parts and panels before
operang.
6. Plug in microwave oven or reconnect power.
Normal = 15Ω
Abnormal = Innite
C
Turntable Motor Boom 1. Unplug microwave oven or disconnect power.
2. Remove wire leads.
3. Measure resistance (ohmmeter scale: Rx1).
4. Replace wire leads.
5. Reassemble all parts and panels before
operang.
6. Plug in microwave oven or reconnect power.
Normal =2500Ω
(approximately)
Abnormal = Innite
A
Monitor Fuse 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 = Connuity
Abnormal = Innite
Not shown
MW Light
Transformer
Top 1. Unplug microwave oven or disconnect power.
2. Remove wire leads.
3. Measure resistance (ohmmeter scale: Rx1).
4. Replace wire leads.
5. Reassemble all parts and panels before
operang.
6. Plug in microwave oven or reconnect power.
Primary Winding = 40Ω
(approximately)
Secondary Winding =
0.4Ω (approximately)
I
Line Fuse 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 = Connuity
Abnormal = Innite
Not shown