4-2
0
S
ams
u
ng
El
ectronics
4-3-4 1 way cassette type
㽞
Error detection and reoperation
1
.
I
f
an
error
occ
u
rs
d
u
ring
operation
,
the
LE
D
f
l
ashes
to
indicate
that
there
is
a
prob
l
em
then
a
ll
operations
stop
e
x
cept
LE
D.
2
.
W
hen
res
u
ming
operation
with
remote
contro
ll
er
and
switch
,
it
determines
error
mode
after
norma
l
operation.
㽞
LED lamp display when error is detected
E
rror
LE
D
l
amp
Disp
l
ay
Ca
u
se
Actions
to
ta
k
e
Operation
Defrost
X
X
䢻
X
X
ח
Brea
k
away
from
the
room
temperat
u
re
sensor
connector.
ח
C
u
t
the
room
temperat
u
re
sensor
wire.
ח
Chec
k
the
connection
between
the
room
tem
-
perat
u
re
wire
and
the
main
PCB
of
the
indoor
u
nit.
ח
Chec
k
the
pattern
of
the
room
temperat
u
re
sen
-
sor
part
of
the
main
PCB
of
the
indoor
u
nit
and
if
parts
are
open
or
shorted.
䢻
X
䢻
X
X
ח
Dis
j
oint
of
the
in
/
o
u
t
sensor
connector
of
the
indoor
heat
e
x
changer.
ח
C
u
t
the
in
/
o
u
t
sensor
wire
of
the
indoor
heat
e
x
changer.
ח
Chec
k
the
connection
between
the
room
tem
-
perat
u
re
wire
and
the
main
PCB
of
the
indoor
u
nit.
ח
Chec
k
the
pattern
of
the
room
temperat
u
re
sen
-
sor
part
of
the
main
PCB
of
the
indoor
u
nit
and
if
parts
are
open
or
shorted.
X
X
X
䢻
X
ח
I
ndoor
fan
motor
is
non
-
operati
v
e.
ח
I
ndoor
fan
motor
is
operating
s
l
ow
l
y.
ח
I
ndoor
fan
motor
operates
at
an
e
x
ces
-
si
v
e
speed.
ח
Chec
k
if
a
motor
connector
has
been
dismo
u
nted.
(
CN
44
.
CN73)
ח
Chec
k
the
fastening
of
the
motor
fan.
䢻
X
X
䢻
X
ח
Dis
j
ointed
or
c
u
t
off
of
o
u
tdoor
tem
-
perat
u
re
sensor.
ח
Dis
j
ointed
or
c
u
t
off
of
the
o
u
tdoor
sensor
of
heat
e
x
changer
(
COND).
ח
Dismo
u
nted
/
c
u
t
off
of
the
o
u
tdoor
discharge
sensor.
ח
Chec
k
the
PCB
disp
l
ay
window
of
the
o
u
tdoor
u
nit
then
refer
to
a
brea
k
down
diagnosis.
X
X
䢻
䢻
X
ח
Comm
u
nication
error
between
indoor
u
nits
and
o
u
tdoor
u
nits
for
more
than
2
min
u
tes.
ח
3
min.
error
of
the
o
u
tdoor
u
nit
trac
k-
ing.
(
m
ul
ti
-
prod
u
ct
specification)
ח
I
nconsistency
between
the
n
u
mber
of
insta
ll
ed
u
nits
and
comm
u
nication
u
nits.
(
m
ul
ti
-
prod
u
ct
specification)
ח
Chec
k
the
connection
between
indoor
and
o
u
t
-
door
u
nits
ח
Chec
k
the
settings
for
indoor
Main
/
RMC
address
switch
X
X
䢻
䢻
䢻
ח
T
he
detection
of
secondary
high
tem
-
perat
u
re
at
COND.
(
o
u
tdoor
heat
e
x
changer)
ח
T
he
detection
of
secondary
high
tem
-
perat
u
re
at
discharge.
ח
Re
v
erse
detection
error.
ח
Chec
k
the
PCB
disp
l
ay
window
of
the
o
u
tdoor
u
nit
then
refer
to
brea
k
down
diagnosis.
X
X
X
䢻
䢻
ח
De
v
iation
of
f
l
oat
sensor
connector.
ח
C
u
t
of
f
l
oat
sensor
wire.
ח
Chec
k
the
connection
between
main
PCB
and
f
l
oat
sensor
in
the
indoor
u
nit.
ل͑ͫ͑
Tu
rn
on
͑͑͑ስ͑ͫ͑
Fl
ashing
͑͑͑Ή͑ͫ͑
Tu
rn
off
