T
ro
u
b
l
eshooting
S
ams
u
ng
El
ectronics
4-67
Ou
tdoor
u
nit
disp
l
a
y
4-4-
23
C
o
mmun
i
c
atio
n E
rror
b
et
w
ee
n In
door
a
n
d
O
u
tdoor
Un
its
a
f
ter
T
ra
ck
i
ng
×(O
peration)
ስ
(
Reser
v
ation)
ስ
(Bl
ast)
×(F
i
l
ter)
×(
Defrost)
∙ C
omm
u
nication
error
between
indoor
and
o
u
tdoor
u
nits
and
set
u
p
error
of
indoor
u
nit
insta
ll
ation
qu
antit
y
set
u
p
switch.
I
ndoor
u
nit
disp
l
a
y
Ju
dgment
Method
C
a
u
se
of
prob
l
em
∙ Ou
tdoor
u
nit
is
u
nab
l
e
to
comm
u
nicate
for
two
min
u
tes
d
u
ring
operation.
(
no
reception
of
re
l
ocation)
1
.
C
a
u
se
of
prob
l
em
Press
the
reset
ke
y (K
3)
of
the
o
u
tdoor
u
nit
P
CB
and
check
the
disp
l
a
y
mod
ul
e.
I
s
the
v
o
l
tage
between
the
2
cab
l
es
a
s
qu
are
wa
v
e
with
D
C±0
.
7V
or
more
as
shown
in
the
image
be
l
ow
?
I
s
there
no
indoor
u
nit
response
at
a
ll
from
the
disp
l
a
y
mod
ul
e
d
u
ring
the
tracking
?
Remo
v
e
the
comm
u
nication
cab
l
e
that
connects
the
o
u
tdoor
u
nit
to
the
indoor
nit
,
and
meas
u
re
the
2
o
u
tdoor
u
nit
cab
l
es
with
a
scope.
C
onnect
the
comm
u
nication
cab
l
e
again
to
connect
the
o
u
tdoor
u
nit
to
the
indoor
u
nit.
Remo
v
e
a
ll
the
comm
u
nication
connectors
on
the
P
CB
of
the
indoor
u
nit
,
and
connect
them
one
b
y
one
to
find
the
indoor
u
nit
which
interferes
with
the
comm
u
nication
to
check
and
change
the
indoor
u
nit
P
CB
.
A
fter
two
min
u
tes
,
find
the
indoor
u
nit
which
disp
l
a
y
s
the
comm
u
nication
error
and
check
if
the
P
CB
address
settings
are
o
v
er
l
apped.
(C
omm
u
nication
error
occ
u
rs
if
the
indoor
u
nit
addresses
are
o
v
er
l
apped.)
- I
n
this
case
,
the
comm
u
nication
error
wi
ll
occ
u
r
in
e
v
er
y
indoor
u
nit
(
2
or
more
u
nits)
with
the
address
incorrect
ly
set.
C
heck
the
comm
u
nication
cab
l
e
and
the
connector
for
the
o
u
tdoor
u
nit
P
CB,
and
change
the
P
CB
.
0
.
7V
0
.
7V
G
ood
Defecti
v
e
I
f
there
is
no
pec
ul
iarit
y
in
the
address
,
check
the
comm
u
nication
cab
l
e
and
change
the
indoor
u
nit
P
CB
.
Y
es
No
No
Y
es
*
E
ssentia
l
Re
qu
irements
before
C
hanging
P
CB
in
C
ase
of
C
omm
u
nication
E
rror
:
Refer
to
p.5
0
Содержание AM160FNBFEB/EU
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