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Copyright © 2016 - 2017 LG Electronics Inc. All
rights reserved. Only training and service purposes.
Freezer room lamp doesn’t work
1
The Switch senses if the door is
open or close.
When the door open, lamp On
When the door Close, lamp Off
Yes
No
7
Explain to customer
Explain to
customer
4
Check the LED Lamp voltage
Is voltage 11.4 ~ 12.6V?
No
Yes
Change the
LED Lamp
Voltage [V]
CON6
13
h
pin & 15
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
3
Check the PCB Voltage.
Is CON7 13
h
pin & 15
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
LED Lamp
LED Lamp
LED Lamp
Resistance [Ω]
Door S/W
No magent near
the switch
Infinity
Magnet is near
the switch
0
Содержание ASBCNA0
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