LG LFXS29766 Series - Page 57

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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 11.4~12.6V?
No
Yes
Change the
LED Lamp
Resistance [Ω]
Door S/W
Normal 0
Push S/WInfinity
Voltage [V]
CON6
15
th
pin & 17
th
pin
11.4~12.6V
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
th
pin & 17
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
LEDLamp
LED Lamp
LEDLamp