T
ro
u
b
l
eshootin
g
4-10
2
S
a
m
s
u
n
g
El
e
c
troni
c
s
1
.
C
a
u
se
o
f
pro
b
l
e
m
4-4-58
3
-ph
ase
Inpu
t
W
iri
ng
error
Ou
tdoor
u
nit
disp
l
a
y
I
ndoor
u
nit
disp
l
a
y
×(O
peration
)
ስ
(
R
eser
v
ation
)
ስ
(Bl
ast
)
ስ
(F
i
l
ter
)
×(
De
f
rost
)
Ju
d
g
m
ent
Method
.
W
hen
t
u
rn
on
the
po
w
er
and
c
he
ck
the
stat
u
s
o
f
the
po
w
er
f
ro
m
the
in
v
erter
.
I
f
the
phase
does
not
c
onne
c
t
the
po
w
er
(
no
phase
)
: E4
25
or
E466 (E
3
66
)
is
disp
l
a
y
ed
(A
ir
c
onditioner
to
m
aintain
the
nor
m
a
l
state
.)
H
o
w
e
v
er
)
N
-
phase
m
u
st
b
e
proper
ly
c
onne
c
ted
.
C
a
u
se
o
f
pro
b
l
e
m
∙ C
he
ck
the
inp
u
t
w
irin
g
∙ E
M
I Fu
se
short
R
ep
l
a
c
e
I
n
v
erter
P
CB
Po
w
er
O
ff
Y
es
Y
es
No
Y
es
Did
the
Main
T
er
m
ina
l Bl
o
ck
and
Po
w
er
R
, S, T,
N
is
c
onne
c
ted
proper
ly?
Po
w
er
BOX T
er
m
ina
l : C
he
ck
the
phase
-
to
-
phase
c
onne
c
tion
3
80V
o
f
the
R
, S, T
and
then
restart
.
(
N
-
phase
m
u
st
b
e
proper
ly
c
onne
c
ted
.)
No
No
No
Y
es
C
onne
c
tion
and
then
restart
it
L
o
w
v
o
l
ta
g
e
error
d
u
rin
g
this
initia
l
c
har
g
e
:
R
ep
l
a
c
e
Fu
se
,
i
f
the
re
c
ti
f
ier
diode
o
f
the
in
v
erter
P
CB
is
nor
m
a
l
.
C
onne
c
tion
and
then
restart
it
Did
the
R
ea
c
tor
C
onne
c
tion
T
er
m
ina
l
is
c
onne
c
ted
proper
ly?
Did
the
E
M
I
P
CB Fu
se
is
short
?
I
s
E
M
I
P
CB C
N2
1
c
onne
c
tor
and
I
n
v
erter
P
CB
a
cc
u
rate
ly
c
onne
c
ted
?
