Over Cooling In The Refrigerator Compartment - LG LFX28977ST/01 Service Manual

Over cooling in the refrigerator compartment

Compressor
Check the compressor
Refer to 4-2-4 of page 17
No
Enter the TEST 1 MODE
Yes
Check the Fan operation by
placing your hand in front of
the vents to feel for any cold
air flow.
Door Fan-Motor
Open OFF
Closed ON
No
Replace
Yes
Fan
- 49 -
Enter the TEST 2 MODE
Does the cold-air coming out
of the top of the main duct?
Yes
Checking Damper itself
Is the resistance Values
between (1) & (4), (2) & (3)
like as below?
(1)RD
(3)BL
(4)YL (2)WH
Resistance of Damper
Test Point Result
373 ~ 456 Ω
(1) To (4)
373 ~ 456 Ω
(2) To (3)
Yes
Check the
No
Damper
itself
Replace
No
Damper
(Position No
: 120A)