7-2-5 TEMPERATURE SENSOR CIRCUIT
The upper CIRCUIT reads REFRIGERATOR temperature and DEF-SENSOR temperature for defrosting into MICOM.
OPENING or SHORT state of each TEMPERATURE SENSOR are as follows.
7-2-6 DOOR OPEN DETECTING CIRCUITS
- 22 -
SENSOR CHECK POINT NORMAL(-30 °C ~ 50 °C)
SHORT-CIRCUITED
OPEN
Refrigerator Sensor POINT Voltage
0.5 V ~ 4.5 V 0 V 5 V
Defrosting Sensor POINT Voltage
A
B
MEASURING POINTS
Freezer / Refrigerator Door
CLOSED
OPEN
IC1 (Pin No. 8)
5 V
0 V
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