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12. Troubleshooting
12-1 Items to be checked first
1
.
T
h
e
in
pu
t
vol
t
age s
h
ould be ra
T
h
e a
i
r
c
o
n
d
iti
o
n
er may
n
o
t
opera
2.
Is
th
e l
in
k
c
able l
in
k
i n
g
th
e
in
T
h
e
in
door u
nit
a
n
d
th
e ou
t
door u
C
h
e
c
k
th
e
t
erm
in
als
if th
e
in
door u
O
th
erw
i
se
th
e a
i
r
c
o
n
d
iti
o
n
er may
3.
W
h
e
n
a problem o
cc
urs due
a
i
r
c
o
n
d
iti
o
n
er
.
No
Operation of air conditioner
1
T
h
e OPERATION
in
d
ic
a
plug o
f th
e
in
door u
nit i
2
I
n
a COOL opera
ti
o
n
mode,
opera
t
e a
t
a room
t
empera
t
empera
t
ure
th
a
t th
e INDOOR FAN s
[In case of heat pump model]
I
a HEAT opera
o
mode,
n
ti
n
opera
t
e a
t
a room
t
empera
t
empera
t
ure
th
a
t in
door
3
Fa
n
speed se
ttin
g
i
s
n
o
4
Compressor s
t
ops opera
mode
.
5
T
i
mer LED
(
ORANGE
)
o
a
i
r
c
o
n
d
iti
o
n
er does
n
o
6
T
h
e
c
ompressor s
t
ops
DRY mode, a
n
d
f
a
n
speed o
7
[In case of heat pump model]
Compressor o
f th
e ou
t
t
ur
n
ed o
ff in
a HEAT mode
8
[In case of heat pump model]
T
h
e
c
ompressor a
n
d
in
mode
.
9
[In case of heat pump model]
I
door
a
a
d ou
door
n
f
n
n
t
in
a HEAT mode
.
1
2
-1
All manuals and user guides at all-guides.com
tin
g vol
t
age
1
0
% ra
n
ge
.
±
t
e properly
if th
e vol
t
age
i
s ou
door u
nit
a
n
d
th
e ou
t
door u
nit
l
in
nit
s
h
all be l
in
ked by 5
c
ables
nit
a
n
d ou
t
door u
nit
are properly l
n
o
t
opera
t
e properly
.
t
o
th
e
c
o
nt
e
nt
s
i
llus
t
ra
t
ed
in th
e
t
ti
o
n
LED
(
BLUE
)
bl
in
ks w
h
e
n
a power
s plugged
in f
o r
th
e
fi
rs
t ti
me
.
th
e
c
ompressor does
n
o
t
t
ure
hi
g
h
er
th
a
n th
e se
ttin
g
h
ould opera
t
e
.
e
ompressor does
o
th
c
n
t
t
ure lower
th
a
n th
e se
ttin
g
f
a
n
s
h
ould opera
t
e
.
t
allowed
in
DRY
(
)
mode
.
ti
o
n int
erm
itt
e
nt
ly
in
DRY
(
)
f th
e
in
door u
nit
l
i
g
ht
s up a
n
d
th
e
t
opera
t
e
.
int
erm
itt
e
nt
ly
in
a COOL mode or
f th
e
in
door u
nit
de
c
reases
.
door u
nit i
s opera
tin
g al
th
oug
h it i
s
.
door
f
a
n
s
t
op
int
erm
itt
e
nt
ly
in
HEAT
a
s
op opera
o
erm
e
ly
f
n
t
ti
n int
itt
nt
t
o
f thi
s ra
n
ge
.
ked properly?
.
in
ked by
th
e same
n
umber o
able below
it i
s a symp
t
om
n
o
t
rela
Explanation
I
t in
d
ic
a
t
es power
i
s o
n.
T
h
e LED s
ON/OFF bu
tt
o
n
o
n th
e remo
t
I
n h
appe
n
s a
ft
er a delay o
f 3
m
reopera
t
ed
.
T
h
e same p
h
e
n
ome
As a p
h
e
n
ome
n
o
n th
a
t th
e
c
ompressor
delay o
m
u
es,
e
door
f 3
in
t
th
in
re
e re
e
o a
empera
ure o
f
nc
t
t
t
f th
T
h
e speed o
f th
e
in
door
f
a
n i
Fa
n
speed
i
s sele
ct
ed au
t
oma
Compressor opera
ti
o
n i
s
c
o
nt
depe
n
d
in
g o
n th
e room
t
empera
T
i
mer
i
s be
in
g a
cti
va
t
ed a
n
d
T
h
e u
nit
opera
t
es
n
ormally
if th
T
h
e
c
ompressor s
t
ops
int
erm
in
door u
nit
de
c
reases
t
o preve
depe
d
g o
e
s
de/ou
n
in
n th
in
i
t
W
h
e
n th
e u
nit i
s
t
ur
n
ed o
ff
w
c
ompressor
c
o
ntin
ues opera
ti
u
nti
l
th
e de
ic
e
i
s
c
omple
t
ed
.
T
h
e
c
ompressor a
n
d
in
door
f
t
empera
t
ure ex
c
eeds a se
ttin
th
e
c
ompressor
f
r om over
h
ea
T
e
ompressor opera
es
a reverse
h
c
t
in
ex
er
or
e
a HEAT mode, a
t
i
ic
in
f
a
n
do
n
o
t
opera
t
e
int
erm
itt
e
h
ea
t
er opera
ti
o
n
f c
ables
.
t
ed
t
o
th
e mal
f
u
ncti
o
n
o
f th
e
t
ops bl
in
k
i n
g
if th
e opera
ti
o
n
e
c
o
nt
rol u
nit i
s pus
h
ed
.
in
u
t
es w
h
e
n th
e
c
ompressor
i
s
n
o
n
o
cc
urs w
h
e
n
a power
i
s o
n.
i
s reopera
t
ed a
ft
er a
a
s adjus
ed au
oma
ally w
f
n i
t
t
tic
ith
e a
r blew
i
.
s se
t t
o LL
in
DRY mode
.
tic
ally
in
AUTO mode
.
rolled au
t
oma
tic
ally
in
DRY mode
t
ure a
n
d
h
um
i
d
it
y
.
th
e u
nit i
s
in
ready mode
.
e
ti
mer opera
ti
o
n i
s
c
a
nc
elled
.
itt
e
nt
ly or
th
e
f
a
n
speed o
f th
e
nt in
s
i
de/ou
t
s
i
de a
i
r
f
r oze
n
s
de a
r
empera
ure
i
i
t
t
.
hi
le de-
ic
e
i
s a
cti
va
t
ed,
th
e
o
n f
o r up
t
o 9 m
in
u
t
es
(
max
i
mum
)
a
n
s
t
op
int
erm
itt
e
nt
ly
if
room
g
t
empera
t
ure
in
order
t
o pro
t
e
ct
t
ed a
i
r
in
a HEAT mode
.
y
le
o remove
c
c
t
d
door
a
a
d ou
door
n
in
f
n
n
t
nt
ly
f
o r w
ithin 20
% o
f th
e
t
o
t
al
Samsu
n
g Ele
ct
ro
nic
s
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