LG LFX28968D Service Manual page 61

8-17. Over cooling in Freezer compartment
Symptom
1. Over cooling in
Freezer compartment
CON1
CON201
Duct
Air Flow
Air Temperature
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
CON2 CON3
CON4
F fan motor
F-Sensor
Status
Windy
Cold
Check Point
CON5
CON6
CON7
CON7
th
15 pin ~ 16
-22ºF / -30ºC
-13ºF / -25ºC
-4ºF / -20ºC
-13ºF / -25ºC
14ºF / -10ºC
23ºF / -5ºC
32ºF / 0ºC
TEST MODE 1
CON7
th
10 pin ~ 12
CON7
th
8 pin ~ 12
Duct
Fan Motor
Resistance [Ω]
th
pin
40k
30k
23k
17k
13k
10k
8k
Voltage [V]
8~12V
th
pin
Not 0V, 5V
th
pin