LG LFXS29626, Service Manual

Page: 51 / 105

- 51 -
Freezer room 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?
No
Yes
Change the
LED Lamp
Resistance [Ω]
Door S/W
Normal 0
Push S/W Infinity
Voltage [V]
CON6
15
h pin ~ 17 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 15 h pin ~ 17 th pin
voltage 12V?
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 12V? (While door open)
No
Yes
Change the
LED Lamp
LED Lamp
LED Lamp
LED Lamp
LED Lamp