Poor Cooling In Freezer Compartment - LG LFXS30726 series Service Manual

8-19. Poor cooling in Freezer compartment

Symptom
1. Poor cooling in
Freezer compartment
CON7
CN1
CON6
CON3 CON2
CON5
CON7
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
CON1
Status
Windy
Cold
- 62 -
Check Point
Duct
Fan Motor
CON7
Resistance [Ω]
19 th pin ~ 20 th pin
-22ºF / -30ºC
-13ºF / -25ºC
-4ºF / -20ºC
-13ºF / -25ºC
14ºF / -10ºC
23ºF / -5ºC
32ºF / 0ºC
TEST MODE 1 Voltage [V]
CON7
10 h pin ~12 th pin
CON7
Not 0V, 5V
8 th pin ~ 12 th pin
40k
30k
23k
17k
13k
10k
8k
8~12V