Daewoo FR-631ND Service Manual page 30

3-2. Sensors
1) Circuit Diagram
2) Work of Each Sensor
1 F-Sensor
- It senses Freezer compartment temperature and controls ON/OFF of COMP, F-Fan.
- How it works ;
Working Point
Working Temperature
Resistance
Sensing Voltage
2 D-Sensor
- It senses the return point of defrosting heater.
Work Point
Working Temperature
Resistance
Sensing Voltage
Weak ON Point
-12.0°C
14.3 KΩ
3.45 V
Return Point of Defrosting Heater
29
Middle OFF Point
-19.0°C
21.1 KΩ
3.0 V
10°C
19.5 KΩ
3.0 V
Strong OFF Point
- 21.0°C
23.5 KΩ
2.85 V