MAIN PWB
Is the connection loose?
Check the Fan operation by
placing your hand in front
of the vents to feel for any
cold air flow.
No
Yes
Yes
Reconnect
Replace Fan
No
Replace
Damper
Enter the TEST 1 MODE
Is the voltage between
Pins 4 and pin 12 of
CON3 like as below?
Voltage of Compressor
115 V
pin4 to pin12
RessultTest Point
Yes
Enter the TEST 2 MODE
Does the cold-air coming out
of the top of the main duct.?
Checking Damper itself
Is the resistance
Values between (1) & (4),
(2) & (3) like as below?
No
Yes
Yes
Check the
Damper itself
Replace
Damper
(1)RD
(2)WH
(3)BL
(4)YL
Resistance of Damper
373 ~456 Ω
(1) to (4)
373 ~456 Ω
(2) to (3)
RessultTest Point
OFF
Open
ON
Closed
Fan-MotorDoor
Yes
Over cooling in the refrigerator compartment
Yes
Pin12
BK
Pin4
BL
CON3
CON3
To Next Page
Loading...
