LG LSSB2691ST Service Manual page 35

TROUBLESHOOTING
2. Troubleshooting With Error Display
4) Refrigerator Sensor Error(Er rt)
No
1 Check for a loose connection.
2
Check the Pin21(1) to Pin22(2) of CON7.
CON 7
Checking flow Result & SVC Action
Result
0 Short
OFF Open
Other Normal
<Temperature table-2>
(1) To (2)
23 / -5
32 / 0
41 / 5
50 / 10
59 / 15
The sensor is determined by the
temperature.
For example, 30
35
SVC Action
Change the sensor
Replace the refrigerator
Check the Temp and
resistance(Table-2)
Result
38
30
24
19.5
15.6
indicates 0