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－38－
N
Y
Connection failure
N
Y
Change sensor
Is defrosting sensor O.K.
Is connection of defrosting
sensor O.K
N
Y
Connection failure
Is MAIN-PCB connection
(con30) O.K?
N
Y
Wire open
Is input vltg of
CON30PIN60 O.K.
Change MAIN PCB ASS’Y
START
Refrigerator’s defrosting sensor failure
N
Y
Connection failure
N
Y
Change sensor
Is temp sensor O.K
Is connection of temp
sensor O.K
N
Y
Connection failure
Is MAIN-PCB connection
(con30) O.K?
N
Y
Wire open
Is input vltg of
CON30PIN80 O.K.
Change MAIN PCB ASS’Y
START
Freezer tem sensor failare