LG LFXS26973 Series Service Manual page 61

8-17. Over cooling in Freezer compartment
Symptom
1. Over cooling in
Freezer compartment
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
Duct Status
Air Flow Windy
Air Temperature Cold
Check Point
CON5 12 th pin ~ 11
-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
- 61 -
Duct
Fan Motor
Resistance [
th Pin
40k
30k
23k
17k
13k
10k
8k
Voltage [V]
12V
th Pin
0V<Voltage<5V
th Pin
0V<Voltage<5V
th Pin
]