LG LFXS26973 Series Service Manual page 58

8-17. Poor cooling in Freezer compartment
Symptom
1. Poor cooling in
Freezer compartment
R
1. Check the sensor resistance
2. Check the air flow
3. Check the air Temperature
4.Check the Fan motor sticky
5. Check the Fan motor voltage
R
Duct Status
Air Flow Windy
Air Temperature Cold
Check Point
CON5 12 th pin ~ 11
Pin
-22ºF / -30ºC
-13ºF / -25ºC
-4ºF / -20ºC
-13ºF / -25ºC
14ºF / -10ºC
23ºF / -5ºC
32ºF / 0ºC
TEST MODE 1
CON3 8 th pin ~ 5
CON5 6 th pin ~ 5
CON5 7 th pin ~ 5
- 58 -
Duct
Fan Motor
th
Resistance [
40k
30k
23k
17k
13k
10k
8k
Voltage [V]
12V
th Pin
0V<Voltage<5V
th Pin
0V<Voltage<5V
th Pin
]