LG LFX28968D - Freezer Cooling Performance; Freezer Compartment Cooling Diagnosis

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