LG LFX28968D Service Manual page 52

8-14. Refrigerator room lamp doesn't work
Symptom
1. Refrigerator room
lamp doesn't work
CON1
CON201
1. Check the Refrigerator door switch sticky
2. Check the door S/W resistance
3. Check the LED Lamp
CON2 CON3
CON5
CON6
CON7
CON4
Door S/W
Check Point
CON6
S/W Resistance [Ω]
Open
Door
Close
CON6
th th
20 pin ~ 15 pin
LED Lamp
White~ Black
Infinity
0
Voltage [V]
12V
Voltage [V]
Closed 0~2V
Open 12V