LG LFXS32726 Series, Service Manual

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Freezer room lamp doesn’t work
1
The Switch senses if the door is open
or close.
When the door open, lamp On
When the door Close, lamp Off
Yes
No
7
Explain to customer
Explain to
customer
4
Check the LED Lamp voltage
Is voltage 11.4 ~ 12.6V?
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 CON7 13 th pin & 15 th pin
voltage 11.4 ~ 12.6V?
No
Yes
Change the
PCB
CON6
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
LED Lamp
LED Lamp
LED Lamp
LED Lamp