LG GR-L28AK Series Service Manual page 42

Is the voltage between
pin1 and pin3 of Freezer LED
Module Housing?
Pin1 RD
Voltage of Freezer LED
Door Test Point
Close pin1 To pin3
Open pin1 To pin3
Yes
Replace F LED Module
(Position No : 409E)
Check the
No
harness
open or
short and
replace F
LED Module
Pin3 BK
Result
0 V
12 V
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