LG LFX28968D Service Manual page 56

8-16. Poor cooling in Fresh food section
Symptom
1. Poor cooling in Fresh
food section
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 R-Damper motor voltage
CON2 CON3
CON4
F-Fan motor
R-Sensor
Status
Windy
Cold
Check Point
CON5
CON6
CON7
CON7
th
13
TEST MODE 1
CON7
th
10
CON7
th
8
Duct
Fan Motor
Resistance [Ω]
th
pin ~ 14 pin
23ºF / -5ºC
32ºF / 0ºC
41ºF / 5ºC
50ºF / 10ºC
59ºF / 15ºC
Voltage [V]
th
pin ~ 12 pin
Not 0V, 5V
th
pin ~ 12 pin
38k
30k
24k
19.5k
16k
8~12V