LG LMXS28626 Series - Refrigerator Lamp Not Working Troubleshooting

Symptom Check Point
1. Refrigerator room
lamp doesn’t work
1. Check the Refrigerator door switch sticky
2. Check the door S/W resistance
3. Check the LED Lamp
8-14. Refrigerator room lamp doesn’t work
S/W Resistance [Ω]
Door
Open Infinity
Close 0
Voltage [V]
CON7
33
th
pin ~ 34
th
pin
12V
Door S/W
LED Lamp Voltage [V]
White~
Yellow
Closed 0~2V
Open 12V
CON6
CON1
CON201
CON4
CON5
CON7
CON2 CON3