Freezer Room Led Lamp Doesn’t Work - LG LMX28988 Series Service Manual

9-4 Freezer room LED lamp doesn't work
No
1 Check the Freezer door switch.
2 Check the door S/W resistance.
3 Check the Blue White to White Red.
4 Check the Red to Black.
Checking flow
<CON5>
Result & SVC Action
If feel sticky, Change the door s/w.
Status Result
0 Ω
Normal
not
Infinity
Push
S/W
Status Result
12 VDC
Normal
Other
Status Result
0 ~ 2 VDC
Closed
Other
12 VDC
Open
Other
- 39 -
SVC Action
Go to the 3
Change door S/W
Go to the 3
Change door S/W
SVC Action
Go to the 4
Change the PCB
SVC Action
Explain to customer
Change the Door S/W
Explain to customer
Change the LED Lamp