LG LFXS29766 Series - Page 63

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SymptomCheck 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
4. Check the Fan motor voltage
Duct
Duct Status
Air Flow Windy
Air Temperature Cold
Fan Motor
CON7
17
th
pin & 18
th
pin
Resistance [Ω]
-22ºF / -30ºC40k
-13ºF / -25ºC30k
-4ºF / -20ºC23k
-13ºF / -25ºC17k
14ºF / -10ºC13k
23ºF / -5ºC 10k
32ºF / 0ºC8k
TEST MODE 1 Voltage [V]
10
th
pin &12
th
pin 11.4~12.6V
8
th
pin &12
th
pin Not 0V, 5V
23
rd
pin &12
th
pin Not 0V, 5V
8-16. Poor cooling in Freezer compartment
CON7 CON8
CON203
CON2
CON1
CON3
CON5
CON6
CON201
CON7