
48
TROUBLESHOOTING
No
Result & SVC Action
Checking flow
(1)~(2)
(2)~(3)
Below 8V
0 or 5V
Change the PCB
Change the motor
SVC Action
Result
Point
1
2
3
4
5
6
Reset the unit and Input Test 1 Mode.
(push the button 1 time)
Open the refrigerator & freezer door and
Check the air flow.
Check the air temperature. Cold or not?
Check the Fan motor.
Rotate fan using your hand.
it feel sticky, change the motor.
(cause of ice or rust inside of motor)
Check the Fan motor voltage.
Pin14(2), Pin16(1), Pin18(1) of CON6.
Check the sensor resistance.
The sensor is determined by the
temperature.
For example, 30
indicates 0
.
3. Troubleshooting With Error Display
17) Poor cooling in Refrigerator compartment
Motor
Sticky
Change the motor
SVC Action
Result
Point
38
30
24
19.5
16
Result
23
-5
32
0
41
5
50
10
59
15
(1) To (2)
Explain to customer
SVC Action
Cold
Not cold
Status
Go to the 4
SVC Action
Windy
No windy
Status