Sams
u
ng
El
ectronics
11-
3
11-2-1 P
re
-in
s
p
e
ction Notic
es
1
.
Chec
k
if
yo
u
p
ull
ed
o
u
t
the
AC
power
p
lu
g
when
yo
u
e
l
iminate
the
PCB
or
front
pane
l
2.
Don't
ho
l
d
the
PCB
side
not
impose
excessi
v
e
force
on
it
to
e
l
iminate
the
PCB
3.
Don
’
t
p
ull
the
l
ead
wire
b
u
t
ho
l
d
the
who
l
e
ho
u
sing
to
connect
or
disconnect
a
connector
to
the
PCB
4
.
I
n
case
of
o
u
tdoor
PCB
disassemb
l
y
,
chec
k
first
the
comp
l
ete
discharge
of
condenser
after
1
min
u
te
power
off
11-2-2 In
s
p
e
ction p
r
oc
e
du
re
1
.
Chec
k
connector
connection
and
pee
l
ing
of
PCB
or
bron
z
e
coating
pattern
when
yo
u
thin
k
the
PCB
is
bro
k
en
2.
T
he
PCB
is
composed
of
3
parts
•
I
ndoor
Main
part
:
M
I
COM
and
s
u
rro
u
nding
circ
u
it
,
re
l
ay
,
fan
motor
sensing
and
dri
v
ing
circ
u
it
,
temperat
u
re
sensing
circ
u
it
power
circ
u
it
of
SMPS
,
b
uzz
er
circ
u
it.
Comm
u
nication
circ
u
it
•
Disp
l
ay
part
: LE
D
l
amp
,
Switch
,
Remote
-
contro
l
mod
ul
e
•
O
u
tdoor
Main
part
:
M
I
COM
and
s
u
rro
u
nd
circ
u
it
,
fan
motor
sensing
and
dri
v
ing
circ
u
it
,
compressor
dri
v
ing
circ
u
it
power
circ
u
it
of
SMPS
,
P
F
C
contro
l
circ
u
it
, 4
way
circ
u
it
,
comm
u
nication
circ
u
it
,
OP
TI
ON
(EE
V
contro
l
circ
u
it
,
temperat
u
re
sensing
circ
u
it)
11-2-3 Indoo
r
d
e
t
a
i
le
d in
s
p
e
ction p
r
oc
e
du
re
No
Proced
u
re
I
nspection
Method
Ca
u
se
1
P
lu
g
o
u
t
and
p
ull
the
PCB
o
u
t
of
the
contro
l
box
Chec
k
the
PCB
f
u
se
1
)
I
s
1
st
f
u
se
disconnected
?
2)
I
s
2nd
f
u
se
disconnected
?
.
O
v
er
c
u
rrent
.
I
ndoor
F
an
motor
short
. AC
part
and
pattern
short
of
I
ndoor
PBA
2
S
u
pp
l
y
power
I
f
the
operating
l
amp
twin
-
kl
es
at
this
time
,
the
abo
v
e
1
)~3)
ha
v
e
no
re
l
ation
Chec
k
the
power
v
o
l
tage
1
)
I
s
the
BD
71
inp
u
t
v
o
l
tage
200Vac~2
4
0Vac
?
. Power
cord
is
fa
ul
t
, Fu
se
open
,
Wrong
Power
cab
l
e
Wiring
,
AC
part
is
fa
ul
ty
2)
I
s
the
v
o
l
tage
between
both
ter
-
mina
l
of
I
C02
pin
#1-#
2
1
2Vdc
?
. Switching
T
rans
of
Power
circ
u
it
is
fa
ul
ty
3)
I
s
the
v
o
l
tage
between
both
ter
-
mina
l
of
I
C02
pin
#
2
-#
3
5Vdc
?
.
Power
circ
u
it
is
fa
ul
ty
, L
oad
short
3
Press
the
ON/O
FF
b
u
tton
1
.
F
an
speed
(
high)
2.
Contin
u
o
u
s
Operation
1
)
I
s
the
v
o
l
tage
o
v
er
AC
1
80V
being
imposed
on
termina
l #
3
-#
5
of
fan
motor
connector
(
CN
7
2)
?
.
F
an
motor
of
the
indoor
is
fa
ul
ty
2)
T
he
fan
motor
of
the
indoor
u
nit
doesn't
r
u
n
.
F
an
motor
connector
(
CN
7
2)
is
fa
ul
ty
3)
T
he
power
v
o
l
tage
between
termina
l #
3
-#
5
of
the
connector
(
CN
7
2)
is
0V
.
PBA
is
fa
ul
ty