LG LSC27914ST Owner's Manual - Page 111

Over cooling in Refrigerator

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18) Over cooling in Refrigerator section NO. CHECKING FLOW Check the sensor resistance value in CON 7. 1 RESULT & SERVICE ACTION Refer to Temperature chart for Refrigerator Sensor. Result Service Action OK Go to Step 2 Abnormal Check Section 3 Abnormal Refrigerator Sensor 2 Enter to TEST MODE 1 (Press once the TEST S/W in Main PCB). 1) Open Refrigerator door. 2) Press manually the refrigerator door S/W, wait 10 seconds. 3) Check the air flow. 3 Go to Step 3 Result Air flow No Air flow Service Action Go to Step 4 Go to Step 6 4 Enter to TEST MODE 2 (Press once the TEST S/W in Main PCB). 1) Open Refrigerator door. 2) Press manually the refrigerator door S/W. 5 3) Check the air flow. 6 Turn Off the refrigerator. 1) Remove Control Box in refrigerator sensor. 7 2) Check for any loose connection. Go to Step 5 Result Air flow No Air flow Service Action Go to Step 6 Go to Step 10 Go to Step 7 Connectors must be firmly connected, and wires don't be have any damage. Next action: Go to Step 8. 3) Turn On the refrigerator. - 110 -

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CHECKING FLOW
RESULT & SERVICE ACTION
Check the sensor resistance value in CON 7.
5
6
NO.
1) Remove Control Box in refrigerator sensor.
7
Result
Service Action
Go to Step 2
OK
Abnormal
Check Section 3 Abnormal
Refrigerator Sensor
Enter to TEST MODE 1 (Press once the TEST S/W
in Main PCB).
2) Check for any loose connection.
3) Turn On the refrigerator.
18) Over cooling in Refrigerator section
Refer to Temperature chart for Refrigerator Sensor.
Go to Step 3
1) Open Refrigerator door.
2) Press manually the refrigerator door S/W,
wait 10 seconds.
3) Check the air flow.
Result
Service Action
Go to Step 4
Air flow
No Air flow
Go to Step 6
Enter to TEST MODE 2 (Press once the TEST S/W
in Main PCB).
Go to Step 5
1) Open Refrigerator door.
2) Press manually the refrigerator door S/W.
3) Check the air flow.
Result
Service Action
Go to Step 6
Air flow
No Air flow
Go to Step 10
Turn Off the refrigerator.
Go to Step 7
Connectors must be firmly connected, and wires don’t be
have any damage.
Next action: Go to Step 8.
4
3
1
2
- 110 -