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Synology DiskStation DS423 - 5.3 Before you contact Synology Technical Support; 5.4 Contacting Synology Technical Support

Synology DiskStation DS423
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25
C
o
nfi
r
m
t
h
a
t
PSU
c
o
nnec
tors
a
r
e
prop
e
r
l
y
p
l
u
gged
in
.
C
heck
t
h
a
t
t
he
r
e
i
s
n
o
d
ust
b
u
ild
up
o
n
in
t
e
r
n
a
l
c
o
m
po
nen
ts
;
if
t
he
r
e
a
r
e
,
i
t
need
s
to
be
cle
a
ned
.
R
ec
o
nnec
t
t
he
pow
e
r
c
or
d
(
s
)
a
nd
try
to
pow
e
r
o
n
t
he
S
y
n
o
l
o
g
y
N
A
S
a
g
a
in
.
I
f
,
a
f
t
e
r
f
o
ll
ow
ing
t
he
a
b
ov
e
trou
ble
s
h
oot
ing
st
e
ps
a
nd
t
he
i
ssu
e
r
em
a
in
s
u
n
r
e
so
l
v
ed
,
c
o
n
t
a
c
t
S
y
n
o
l
o
g
y
T
echnic
a
l
S
upport
f
or
f
urt
he
r
a
ss
i
st
a
nce
.
U
n
a
ble
to
pow
e
r
o
n
a
f
t
e
r
c
o
nnec
t
ing
UPS
C
heck
t
h
a
t
t
he
pow
e
r
c
or
d
(
s
)
f
or
t
he
UPS
a
nd
t
he
S
y
n
o
l
o
g
y
N
A
S
i
s
prop
e
r
l
y
p
l
u
gged
in
.
C
heck
t
h
a
t
t
he
pow
e
r
prov
ided
b
y
t
he
UPS
i
s
st
a
ble
.
C
o
nnec
t
t
he
pow
e
r
c
or
d
(
s
)
o
f
t
he
S
y
n
o
l
o
g
y
N
A
S
di
r
ec
t
l
y
to
t
he
AC
pow
e
r
out
le
t
a
nd
c
o
nfi
r
m
t
h
a
t
i
t
c
a
n
pow
e
r
o
n
.
C
o
nfi
r
m
t
h
a
t
t
he
UPS
syst
em
i
s
c
o
m
p
a
t
ible
w
i
t
h
t
he
S
y
n
o
l
o
g
y
N
A
S
.
I
f
,
a
f
t
e
r
f
o
ll
ow
ing
t
he
a
b
ov
e
trou
ble
s
h
oot
ing
st
e
ps
a
nd
t
he
i
ssu
e
i
s
st
ill
u
n
r
e
so
l
v
ed
,
c
o
n
t
a
c
t
S
y
n
o
l
o
g
y
T
echnic
a
l
S
upport
f
or
f
urt
he
r
a
ss
i
st
a
nce
.
5.3
B
ef
or
e
you
c
o
n
t
a
c
t
S
y
n
o
l
o
g
y
T
echnic
a
l
S
upport
B
ef
or
e
you
c
o
n
t
a
c
t
S
y
n
o
l
o
g
y
T
echnic
a
l
S
upport
,
f
o
ll
ow
t
he
bel
ow
in
stru
c
t
i
o
n
s
to
try
to
so
l
v
e
t
he
i
ssu
e
:
U
s
e
t
he
trou
ble
s
h
oot
ing
inf
or
m
a
t
i
o
n
in
t
hi
s
m
a
n
u
a
l
.
F
o
ll
ow
t
he
in
stru
c
t
i
o
n
s
in
t
he
"
T
rou
ble
s
h
oot
ing
checkli
st
".
C
heck
f
or
t
he
up
d
a
t
ed
inf
or
m
a
t
i
o
n
,
ne
w
de
v
ice
d
r
i
v
e
rs
,
a
nd
hin
ts
a
nd
t
i
ps
o
n
t
he
S
y
n
o
l
o
g
y
K
n
ow
ledge
C
en
t
e
r
.
I
f
poss
ible
,
be
a
t
your
pro
d
u
c
t
w
hen
you
c
o
n
t
a
c
t
S
y
n
o
l
o
g
y
T
echnic
a
l
S
upport
a
nd
h
a
v
e
t
he
f
o
ll
ow
ing
inf
or
m
a
t
i
o
n
a
v
a
il
a
ble
:
P
ro
d
u
c
t
M
o
del
Na
me
S
e
r
i
a
l
n
u
mbe
rs
o
f
your
S
y
n
o
l
o
g
y
pro
d
u
c
ts
D
e
s
c
r
i
pt
i
o
n
o
f
t
he
pro
blem
E
x
a
c
t
wor
ding
o
f
a
n
y
e
rror
me
ss
a
ge
s
H
a
r
d
w
a
r
e
a
nd
so
f
tw
a
r
e
c
o
nfig
ur
a
t
i
o
n
inf
or
m
a
t
i
o
n
5.4
C
o
n
t
a
c
t
ing
S
y
n
o
l
o
g
y
T
echnic
a
l
S
upport
D
ur
ing
t
he
w
a
rr
a
n
ty
p
e
r
i
o
d
,
you
c
a
n
ge
t
hel
p
a
nd
inf
or
m
a
t
i
o
n
t
h
rou
gh
t
he
S
y
n
o
l
o
g
y
T
echnic
a
l
S
upport
.
T
r
a
ined
s
e
rv
ice
p
e
rso
nnel
a
r
e
a
v
a
il
a
ble
to
a
ss
i
st
you
in
de
t
e
r
mining
a
h
a
r
d
w
a
r
e
pro
blem

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