3. Open Door Detection Circuit Check
8-2-3 Temperature Sensor Circuit
• The resistance of the SENSOR has a ±5% common difference.
• Measure the resistance of the SENSOR after leaving it for over 3 minutes in the measuring temperature.
This delay is necessary due to sensor response speed.
- 38 -
Closed
0 V
Open
5 V
Freezer/
Refrigerator Door
Measurement
Location
Pin 10 & 11 of con4 Ref.Door
Pin 5 & 6 of con6 Fre.Door
TEMPERATURE
RESISTANCE OF FREEZER/Icing
RESISTANCE OF REFRIGERATOR &
SENSOR
DEFROST SENSOR & ROOM SENSOR
- 20 ˚C (-4 °F)
22.3 K
Ω
77 K
Ω
- 15 ˚C (5 °F)
16.9 K
Ω
60 K
Ω
- 10 ˚C (14 °F)
13.0 K
Ω
47.3 K
Ω
- 5 ˚C (23 °F)
10.1 K
Ω
38.4 K
Ω
0 ˚C (32 °F)
7.8 K
Ω
30 K
Ω
+ 5 ˚C (41 °F)
6.2 K
Ω
24.1 K
Ω
+ 10 ˚C (50 °F)
4.9 K
Ω
19.5 K
Ω
+ 15 ˚C (59 °F)
3.9 K
Ω
15.9 K
Ω
+ 20 ˚C (68 °F)
3.1 K
Ω
13 K
Ω
+ 25 ˚C (77 °F)
2.5 K
Ω
11 K
Ω
+ 30 ˚C (86 °F)
2.0 K
Ω
8.9 K
Ω
+ 40 ˚C (104 °F)
1.4 K
Ω
6.2 K
Ω
+ 50 ˚C (122 °F)
0.8 K
Ω
4.3 K
Ω