LG LFXS32726 Series - Page 63

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Refrigerator room lamp doesn’t work
1
Yes
No
7
Explain to customer
Explain to
customer
4
Check the LED Lamp voltage
Is voltage 11.4 ~ 12.6 V?
No
Yes
Change the
LED Lamp
2
Check the door S/W resistance.
Is it correct compared with table?
No
Yes
Change the
Door S/W
3
Check the PCB Voltage.
Is CON6 28
th
pin & 30
th
pin
voltage 11.4 ~ 12.6V?
No
Yes
Change the
PCB
5
Check the LED Lamp voltage.
Is it 0~2V? (While door closed)
No
Yes
Change the
Door S/W
6
Check the LED Lamp voltage.
Is it 11.4 ~ 12.6V? (While door
open)
No
Yes
Change the
LED Lamp
CON6
LED Lamp
LED Lamp
The Switch senses if the door is
open or close.
When the door open, lamp On
When the door Close, lamp Of f