Read Sharp R-962M Service Manual online
R-962M - 10
(3) Disconnect the wire leads from the cook relay.
(4) Disconnect the sensor connector that is mounted to lower portion of control panel.
(5) Then connect the dummy resistor circuit (see fig.) to the sensor connector of control panel.
(6) Reconnect the oven to the power supply and check the sensor cook operation, proceed as follows:
6-1. Touch FRESH VEG. pad.
6-2. The control panel is in the sensor cooking operation.
6-3. After approximately 1 minute and 15 seconds, push plunger of select switch. This condition is same
as judgement by AH sensor.
6-4. After approximately 3 seconds, the oven stops.
If the above is not the case, the control unit is probably defective.
If the above is proper, the AH sensor is probably defective.
(4) Disconnect the sensor connector that is mounted to lower portion of control panel.
(5) Then connect the dummy resistor circuit (see fig.) to the sensor connector of control panel.
(6) Reconnect the oven to the power supply and check the sensor cook operation, proceed as follows:
6-1. Touch FRESH VEG. pad.
6-2. The control panel is in the sensor cooking operation.
6-3. After approximately 1 minute and 15 seconds, push plunger of select switch. This condition is same
as judgement by AH sensor.
6-4. After approximately 3 seconds, the oven stops.
If the above is not the case, the control unit is probably defective.
If the above is proper, the AH sensor is probably defective.
R1,R2 :
22
Ω
±
1% 1/2W
R3 :
4.3k
Ω
±
5% 1/4W
R4 :
1M
Ω
±
5% 1/4W
Sensor Dummy Resistor Circuit
PROCEDURE
LETTER
TEST PROCEDURES
(
CONT'D
)
COMPONENT TEST
Plunger
NC
NO
COM
COM
NO
NC
R3
R4
R1
R2
1
2
3
F-1
F-2
F-2
F-3
To connector (F)
on Control Unit.
on Control Unit.
CONNECTOR
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