LG LFXS29766 Series Service Manual page 63

8-16. Poor cooling in Freezer compartment
Symptom
1. Poor cooling in
Freezer compartment
CON7 CON8
CON6
CON3
CON2
CON5
Duct
Air Flow
Air Temperature
1. Check the sensor resistance
2. Check the air f low
3. Check the air Temperature
4.Check the Fan motor sticky
4. Check the Fan motor voltage
CON201
CON203
CON1
CON7
Status
Windy
Cold
- 63 -
Check Point
Duct
Fan Motor
CON7
17 th pin & 18 th pin
-22ºF / -30ºC
-13ºF / -25ºC
-4ºF / -20ºC
-13ºF / -25ºC
14ºF / -10ºC
23ºF / -5ºC
32ºF / 0ºC
TEST MODE 1
10 th pin &12 th pin
8 th pin &12 th pin
23 rd pin &12 th pin
Resistance [Ω]
40k
30k
23k
17k
13k
10k
8k
Voltage [V]
11.4~12.6V
Not 0V, 5V
Not 0V, 5V