LG LRSOC2306 Series Service Manual page 64

7. Poor cooling in Freezer compartment
Symptom
1. Poor cooling in
Freezer compartment
1. Check the sensor resistance
2. Check the air flow
3. Check the air temperature
4. Check the R-Damper
5. Check the Fan motor sticky
6. Check the Fan motor voltage
67
Check Point
CON4
17 th pin ~ 18 th pin
-22ºF / -30ºC
-13ºF / -25ºC
-4ºF / -20ºC
5ºF / -15ºC
14ºF / -10ºC
23ºF / -5ºC
32ºF / 0ºC
TEST MODE 1
CON3 13 th pin ~ 16 th
CON3 13 th pin ~ 15 th
CON3 13 th pin ~ 14 th
Duct
Air Flow
Air Temperature
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Resistance
[Ω]
40k
30k
23k
17k
13k
10k
8k
Voltage
[V]
pin
10.8~13.2 VDC
pin
2~4.5 VDC
pin
Not 0V, 5V
Status
Windy
Cold