Samsung SR-65KTC - In Case of F-FAN Doesn’ T Run (Run the DC Voltage)

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① In case of F-FAN doesn’t run (Run the DC voltage)
N
Y
Is it forced operation?
Y
N
Does it run lmin after the door
S/W pressed?
N
Y
Is confivcate AC 220V of the
MAIN PCB connection
CN72 PIN 1.3?
N
Y
Does the door
S/W works norks nomally
Y
N
Is 5V vltg MAIN PCB MICOM
PIN27?
N
Y
Y
Has vltg the MAIN PCB
connection CN70 pin 2?
(12V or 9V)
N
Y
Has wave the MAIN PCB
connection CN70 pin 5
Check IC 06 KA324 Change MAin PCB
Forced operation
F-FAN O.K
Re-connection CON72
Check wire
Change DOOR S/W
Change MAIN PCB
Check CON70 Connection
Check the MOTOR
Check MOTOR
Change MOTOR
START