LG LMXS28626 Series - Page 55

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