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Freezer room lamp doesn't work
1
Check the Refrigerator door switch.
Does it feel sticky?
No
2
Check the door S/W resistance.
Is it correct compared with table?
Door S/W
Normal
Door S/W
Door Close
Yes
3 Check the PCB Voltage.
th
Is CON8 17
pin ~ 18
voltage 12V?
INSPECTION
POINT
CON8
17
th
pin ~ 18
th
pin
Yes
Change the
Yes
Door S/W
Change the
No
Door S/W
Resistance [Ω]
Infinity
0
th
Change the
pin
No
PCB
CON8
DOOR
Voltage [V]
Close
0~2V
Open
12V
4
Check the LED Lamp voltage.
Is it 0~2V? (While door closed)
Yes
5
Check the LED Lamp voltage.
Is it 12V? (While door open)
Yes
6
Explain to customer
Change the
No
Door S/W
Change the
No
LED Lamp
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