LG LMXS27676D Service Manual page 56

8-16. Poor cooling in Fresh food section
Symptom
1. Poor cooling in Fresh
food section
CON1
CON201
1. Check the sensor resistance
2. Check the air flow
3. Check the air Temperature
4. Check the R-Damper motor voltage
F-Fan motor
R-Sensor
Check Point
CON5
CON6
CON7
th
CON7 15 pin ~ 18
23ºF / -5ºC
32ºF / 0ºC
41ºF / 5ºC
50ºF / 10ºC
59ºF / 15ºC
TEST MODE 1
th
CON7 12 pin ~ 14
th
CON7 16 pin ~ 14
th
CON7 10 pin ~ 14
Duct
Air Flow
Air Temperature
Duct
Fan Motor
th
pin Resistance [Ω]
38k
30k
24k
19.5k
16k
Voltage [V]
th
pin 12V
th
pin 0V<Voltage<5V
th
pin 0V<Voltage<5V
Status
Windy
Cold