LG LFX28968D Service Manual page 75

11-7 Damper
Function The damper supplies cold air from the freezer to the chill room using the damper plate. The
chill room is colder when the damper plate is open. When the damper is closed the chill
rooms temperature will rise.
How to
Measure
(1)BLUE
(2)WHITE
(3)YELLOW
(4)RED
Check the
Check to see if there is electrical current, if there is resistance the damper is good.
Standard Damper
,
1 2
Test Points Result
373 ~ 456 Ω
Red and Yellow
< Damper Circuit >
Check the
Test Points
Blue and White
- 30 -
Blue
1
White
3
Check the ,
1 3
< extension >
,
3 4
Result
373 ~ 456 Ω