T
ro
u
b
l
eshooting
4-
3
6
S
ams
u
ng
El
ectronics
■
E
rror
dete
c
tio
n
a
n
d
reo
p
eratio
n
●
I
f
an
error
occ
u
rs
d
u
ring
the
operation
,
an
LE
D
f
l
ickers
and
the
operation
is
stopped
e
x
cept
the
LE
D.
●
I
f
y
o
u
re
-
operate
the
air
conditioner
,
it
operates
norma
lly
at
first
,
then
detect
an
error
again.
■
In
door
un
it
LED l
a
mp
dis
pl
a
y
at
error
dete
c
ti
ng
- C
o
n
so
l
e
t
yp
e
Abn
or
m
a
l c
o
n
ditio
n
E
rror
c
ode
LED D
is
pl
a
y
E
rror
on
indoor
temperat
u
re
sensor
(S
hort
or
O
pen)
E121
1
.
E
rror
on
Ev
a
-
in
sensor
(S
hort
or
O
pen)
2.
E
rror
on
Ev
a
-
o
u
t
sensor
(S
hort
or
O
pen)
E122
E123
I
ndoor
fan
error
E154
1
.
E
rror
on
o
u
tdoor
temperat
u
re
sensor
(S
hort
or
O
pen)
2.
E
rror
on
cond
sensor
3.
E
rror
on
discharge
sensor
E221
E237
E251
1
.
W
hen
there
is
no
comm
u
nication
between
the
indoor
∙
o
u
tdoor
u
nits
for
2
min
u
tes
2.
C
omm
u
nication
error
recei
v
ed
from
the
o
u
tdoor
u
nit
3.
3
mini
u
te
tracking
error
on
o
u
tdoor
u
nit
4
.
C
omm
u
nication
error
after
tracking
d
u
e
to
u
nmatching
n
u
mber
of
insta
ll
ed
u
nits
5.
E
rror
d
u
e
to
repeated
comm
u
nication
address
E101
E102
E202
E201
E108
S
e
l
f
diagnosis
error
disp
l
a
y
1
.
E
rror
d
u
e
to
opened
EEV (
2nd
detection)
2.
E
rror
d
u
e
to
c
l
osed
EEV (
2nd
detection)
3.
Ev
a
in
sensor
is
detached
4
.
Ev
a
o
u
t
sensor
is
detached
5.
T
herma
l
f
u
se
error
(O
pen)
E151
E152
E128
E128
E198
1
.
CO
ND
mid
sensor
is
detached
2.
Refrigerant
l
eakage
(
2nd
detection)
3.
A
bnoma
lly
high
temperat
u
re
on
C
ond
(
2nd
detection)
4
.
L
ow
press
u
re
s
/
w
(
2nd
detection)
5.
A
bnoma
lly
high
temperat
u
re
on
discharged
air
on
o
u
tdoor
u
nit.
(
2nd
detection)
6
.
I
ndoor
operation
stop
d
u
e
to
u
nconfirmed
error
on
o
u
tdoor
u
nit
7
.
E
rror
d
u
e
to
re
v
erse
phase
detection
8
.
C
omp
stop
d
u
e
to
free
z
e
detection
(6
th
detection)
9
.
H
igh
press
u
re
sensor
is
detached
10
.
L
ow
press
u
re
sensor
is
detached
11
.
Ou
tdoor
u
nit
copression
ration
error
1
2.
Ou
tdoor
s
u
mp
down
_1
pre
v
etion
contro
l
1
3.
C
ompressor
down
d
u
e
to
l
ow
press
u
re
sensor
pre
v
ention
contro
l_1
14
.
S
im
ul
taneo
u
s
opening
of
coo
l
ing
/
heating
M
CU SOL v
a
lv
e
(1
st
detection)
1
5.
S
im
ul
taneo
u
s
opening
of
coo
l
ing
/
heating
M
CU SOL v
a
lv
e
(
2nd
detection)
E241
E554
E450
E451
E416
E559
E425
E403
E301
E306
E428
E413
E410
E180
E181
Fl
owating
s
/
w
(
2nd
detection)
E153
EE
PR
O
M
error
E162
EE
PR
O
M
option
error
E16
3
E
rror
d
u
e
to
incompatib
l
e
indoor
u
nit
E164
: O
n
: Fl
ickering
: O
ff
- I
f
y
o
u
t
u
rn
off
the
air
conditioner
when
the
LE
D
is
f
l
ickering
,
the
LE
D
is
a
l
so
t
u
rned
off.
