26 Samsung Electronics
2) In case of “Beep-Beep” alarming
N
Y
N
Y
Cancel forced oper./defro.
Main PCB O.K.
Is forced operating /
frosting selected ?
Is it the same when
power on again?
CON04 shorted. or touched
Start
• There is no “beep-beep” alarming except the forced deforst or sensing trouble during self
diagnosis.
• If self diagnosis sensed trouble, it is displayed on the panel PCB, so easy to check. If not , the
forced deforst or forced operation is selected the notch status are “High”-“Mid.High” at that
time.
references
3) In case of no panel PCB display
N
Y
N
N
Y
Connection failure
Re-connection
Connection failure
Is the connection of
cover O.K. ?
Is main PCB connection
(CON07) O.K. ?
Is panel PCB
connection O.K. ?
Change panel PCB
Start