LG LFXS28566 Series, Service Manual

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Freezer room upper lamp doesn’t
work
1
Check the Freezer door switch.
Does it feel sticky?
Yes
No
7
Explain to customer
Change the
Door S/W
4
Check the LED Lamp voltage
Is voltage 12V? (While door open)
No
Yes
Change the
LED Lamp
Voltage [V]
CON7
31 th pin ~ 32 th pin
12V
2
Check the door S/W resistance.
Is it correct compared with table?
No
Yes
Change the
Door S/W
Door S/W
3
Check the PCB Voltage.
Is CON7 31
th
pin ~ 32
th
pin
voltage 12V?
No
Yes
Change the
PCB
CON6
S/W Resistance [
Ω]
Door
Open Infinity
Close 1