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Synology DiskStation DS423 - Chapter 4: System Maintenance; 4.1 Replace the Malfunctioning Fan

Synology DiskStation DS423
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17
C
h
a
pt
e
r
4
S
yst
em
Ma
in
t
en
a
nce
4.1
R
e
p
l
a
ce
t
he
Ma
lf
u
nc
t
i
o
ning
F
a
n
I
f
t
he
c
oo
ling
f
a
n
l
o
c
a
t
ed
o
n
t
he
b
a
ck
o
f
t
he
S
y
n
o
l
o
g
y
N
A
S
m
a
lf
u
nc
t
i
o
n
s
,
p
le
a
s
e
f
o
ll
ow
t
he
st
e
ps
bel
ow
to
r
em
ov
e
t
he
m
a
lf
u
nc
t
i
o
ning
f
a
n
a
nd
r
e
p
l
a
ce
i
t
w
i
t
h
a
ne
w
o
ne
.
C
a
ut
i
o
n
:
W
e
r
ec
o
mmend
t
h
a
t
you
w
e
a
r
wor
k
gl
ov
e
s
a
nd
op
e
r
a
t
e
w
i
t
h
c
a
r
e
to
a
vo
id
inj
ury
d
ur
ing
t
he
pro
ce
ss
.
S
h
ut
d
ow
n
your
S
y
n
o
l
o
g
y
N
A
S
.
D
i
s
c
o
nnec
t
a
ll
c
a
ble
s
f
ro
m
your
S
y
n
o
l
o
g
y
N
A
S
to
pr
e
v
en
t
poss
ible
d
a
m
a
ge
.
F
o
ll
ow
st
e
p
1
o
f
t
he
I
n
st
a
ll
D
r
i
v
e
s
s
ec
t
i
o
n
to
op
en
t
he
b
a
ck
c
ov
e
r
.
L
oos
en
t
he
s
c
r
e
ws
t
h
a
t
s
ec
ur
e
t
he
f
a
n
o
n
t
he
b
a
ck
c
ov
e
r
a
s
s
h
ow
n
bel
ow
.
F
ind
t
he
pow
e
r
c
or
d
o
f
t
he
f
a
n
a
nd
c
a
r
ef
u
ll
y
u
n
p
l
u
g
i
t
.
T
he
f
a
n
w
ill
c
o
me
o
ff
f
ro
m
t
he
b
a
ck
c
ov
e
r
w
hen
t
he
pow
e
r
c
or
d
i
s
u
n
p
l
u
gged
.

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