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