FOR SERVICE TECHNICIAN'S USE ONLY
Component Serviceable Side
Humidity
Top
Sensor
Magnetron
Thermistor
Grill
Top
Thermostat
Convect
Rear
Thermostat
Broil
Rear
Element
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.
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
Normal = 9 Ω
Abnormal = Infinite
20
Component Location
E
O
V
B
J