Samsung SR-65KTC, SR-65NMC, SR-69NMC, SR-61KTC, SR-61NMC specifications －44－

②In case of R-fan doesn’t run (Run the DC voltage) (Reference BLDC MOTOR run circuit)

START
		N
Is it forced operation?
	Y	Y
Does it run lmin after the door
S/W pressed?
	N
		N
Is confivcate AC 220V of the MAIN
PCB connection CN72 PIN 1.3?

Forced operation

F-FAN O.K

Y

Does the door

N

Re-connection CON72

Check wire

S/W works norks nomally

Y

Y

Is 5V vltg MAIN PCB MICOM

PIN27?

N

N

Change DOOR S/W

Change MAIN PCB

Has vltg the MAIN PCB connection CN70 pin 2?

(12V or 9V)

Y

Has wave the MAIN PCB connection CN70 pin5?

Y

N

Check CON70 Connection

Check the MOTOR

Check MOTOR Change

MOTOR

Check IC 06 KA324 Change MAin PCB

－44－