Samsung SR-688EV - Freezer Fan (F-Fan) Not Running

30 Samsung Electronics
Select forced operation.
Y
N
R-fan O.K.
Does it run
1 min after the door S/W
p r e s s e d ?
N
Y
Change door S/W
Does the door S/W
works normally
N
Y
Re-connection
Is the connection of
CON09 O.K. ?
Y
N
F-fan failure
Is the vltg of both ends of
F-fan 220Vac
Change main PCB ass’ y
Start
2) In case of R-fan doesn’ trun