LG GB7143**AV Series Service Manual page 48

3. RT Sensor Error (rt)
No
1 Check for a loose connection.
2 Check the Brown to Brown.
Checking flow
<CON5>
Result & SVC Action
Result
Short
0
Open
Normal
<Temperature table-2>
Temperature
23°F / -5°C
32°F / 0°C
41°F / 5°C
50°F / 10°C
59°F / 15°C
The sensor is determined by
the temperature.
For example, 30
- 48 -
SVC Action
Change the sensor
Replace the refrigerator
Check the Temp and
resistance (Table-2)
Result
38
30
24
19.5
16
indicates 0°C.