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2. Self diagnosis failure
A. Freezer’s temp·sensor failure
B. Refrigerator’s temp, senser failure
START
Is freezer’s temp·sensor O.K?
Is MAIN PCB connection
(CON30) O.K?
Is connection of temp sensor O.K?
Is input vltg of MICOM pinll O.K?
PCB and temp, sensor O.K
Ckeck connection Charge MAIN PCB
change temp ,senser
Connection failure Re-connection
Check connected sensorwire
Check short and iced lead
START
Is refrigerator’s temp·sensor O.K?
Is MAIN PCB connection
(CON30) O.K?
Is connection of temp sensor O.K?
Is input vltg of MICOM pin 10 O.K?
PCB and temp, sensor O.K
Ckeck connection Charge MAIN PCB
change temp ,senser
Connection failure Re-connection
Check connected sensorwire
Check short and iced lead