LG LMXS27676D Service Manual page 61

8-17. Over cooling in Freezer compartment
Symptom
1. Over cooling in
Freezer compartment
CON1
CON201
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
F-Fan motor
F-Sensor
Duct Status
Air Flow Windy
Air Temperature
Check Point
CON5
CON6
CON7
th
CON7 17
-22ºF / -30ºC
-13ºF / -25ºC
-4ºF / -20ºC
-13ºF / -25ºC
14ºF / -10ºC
23ºF / -5ºC
32ºF / 0ºC
TEST MODE 1
th
CON7 12
th
CON7 16
th
CON7 10
Cold
Duct
Fan Motor
th
pin ~ 20 pin Resistance [Ω]
Voltage [V]
th
pin ~ 14 pin
th
pin ~ 14 pin 0V<Voltage<5V
th
pin ~ 14 pin 0V<Voltage<5V
40k
30k
23k
17k
13k
10k
8k
12V