FOR SERVICE TECHNICIAN'S USE ONLY
Serviceable
Component
Side
Humidity Sensor
Top
Magnetron
Thermistor
Grill Thermostat
Top
Convect Thermostat Rear
Procedure
1.
Unplug microwave oven or disconnect power.
2.
Remove the 3-pin connector from MW Appliance
Manager.
3.
Measure resistance across pins 1 and 3 and across pins
2 and 3.
4.
Replace the 3-pin connector from MW Appliance
Manager.
5.
Reassemble all parts and panels before operating.
6.
Plug in microwave oven or reconnect power.
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 operating.
6.
Plug in microwave oven or reconnect power.
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 operating.
6.
Plug in microwave oven or reconnect power.
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 operating.
6.
Plug in microwave oven or reconnect power.
Results - Resistance
Normal = 2.8 kΩ (approximately)
at 77°F ± 10°F (25°C ± 10°C)
Abnormal = Infinite
Normal = 10 kΩ (approximately)
at 77°F ± 10°F (25°C ± 10°C)
Abnormal = Infinite
Normal = Continuity
Abnormal = Infinite
Normal = Continuity
Abnormal = Infinite
32
Component
Location
E
P
U
B