T
r
o
ubl
esh
oo
ting
S
a
ms
u
ng
El
ectr
o
nics
4-21
Indoor unit display
X (
Oper
a
ti
o
n)
X (
Defr
o
st)
(T
imer)
(F
i
l
ter)
Symptom
T
he
in
doo
r
u
nit
f
l
oa
ting
sens
o
r
is
o
pen
a
n
d
th
a
t
st
a
te
is
m
a
int
a
ine
d
f
o
r
m
o
re
th
a
n
o
ne
min
u
te
Failure
I
ncre
a
se
in
the
d
r
a
in
p
a
n
w
a
ter
l
e
v
e
l
d
u
e
t
o
f
a
i
lu
re
o
f
the
in
doo
r
u
nit
d
r
a
in
p
u
mp
,
o
r
f
l
oa
t
sens
o
r
f
a
i
lu
re
4-3-5 Indoor unit float sensor error
N
o
N
o
N
o
N
o
N
o
Y
es
Y
es
Y
es
Y
es
Y
es
Y
es
Rem
o
v
e
the
f
l
oa
ting
sens
o
r
c
o
nnect
o
r
c
o
nnecte
d
t
o
the
in
doo
r
u
nit
PC
B
a
n
d
the
resist
a
nce
me
a
s
u
re
d
b
etween
the
tw
o
termin
a
l
s
.
I
s
the
resist
a
nce
∞?
(
o
pen
circ
u
it)
I
s
the
w
a
ter
l
e
v
e
l
in
the
d
r
a
in
p
a
n
high
?
D
o
es
d
r
a
in
p
u
mp
o
per
a
te
when
c
o
mpress
o
r
o
per
a
tes
?
S
a
me
err
o
r
o
cc
u
rs
a
g
a
in
N
o
Dr
a
in
p
u
mp
PC
B
I
s
the
termin
a
l v
o
l
t
a
ge
a
r
o
u
n
d
AC
22
0
V?
I
s
the
w
a
ter
l
e
v
e
l
in
d
r
a
in
p
a
n
d
ecre
a
sing
?
Reset
the
in
doo
r
u
nit
p
o
wer
a
n
d
chec
k
the
o
per
a
ti
o
n
o
f
the
d
r
a
in
p
u
mp
.
(
it
v
i
b
r
a
tes
when
o
per
a
ting)
N
o
rm
a
l
o
per
a
ti
o
n
Rep
l
a
ce
the
in
doo
r
u
nit
PC
B
Re
a
ssem
bl
e
the
f
l
oa
ting
sens
o
r
c
o
nnect
o
r
a
n
d
reset
the
o
u
t
doo
r
u
nit
p
o
wer
.
(I
n
doo
r
u
nit
p
o
wer
reset
is
re
qu
ire
d
)
N
o
rm
a
l
o
per
a
ti
o
n
Rep
l
a
ce
the
f
l
oa
ting
sens
o
r
when
it
f
a
i
l
s
a
n
d
reset
the
in
doo
r
u
nit
p
o
wer
Rep
l
a
ce
the
d
r
a
in
p
u
mp
Rep
l
a
ce
the
d
r
a
in
p
u
mp
Rep
l
a
ce
the
in
doo
r
u
nit
PC
B
E
rr
o
r
o
cc
u
rs
t 'MPBUTFOTPSFSSPSJTDMFBSFEPOMZ
when
the
in
doo
r
p
o
wer
is
reset