LG LFXS24553S Service Manual page 58

9-6 Poor/over cooling in Fresh food section
Symptom
1. Poor cooling in
Fresh food section
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
F-Fan motor
R-Sensor
R-Damper
Status
Windy
Cold
Check Point
Fan Motor
CON7
CON7
th th
13 pin ~ 14
pin
23ºF / -5ºC
32ºF / 0ºC
41ºF / 5ºC
50ºF / 10ºC
59ºF / 15ºC
TEST MODE 1
CON7
th th
10 pin ~ 12
pin
CON7
th th
8 pin ~ 12 pin
Duct
Resistance [ ]
Ω
38k
30k
24k
19.5k
16k
Voltage [V]
8~12V
Not 0V, 5V