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
- 24 -
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
