T
ro
u
b
l
eshooting
S
ams
u
ng
El
ectronics
4-6
3
4-4-19 E
rror
d
u
e
to
i
nc
orre
c
t
In
door
Un
it
P
o
w
er
/C
o
mmun
i
c
atio
n C
a
bl
e
C
o
nn
e
c
tio
n
Indoor unit display
t
A
pp
ly
power
(
22
0V
)
to
the
termina
l
of
the
indoor
u
nit
comm
u
nication
b
l
ock
(F1/F
2)
Criteria
Cause of problem
t
C
heck
for
Power
inp
u
t
(
22
0V
)
for
the
T
ermina
l
b
l
ock
(F1/F
2).
Outdoor unit display
●
C
heck
for
disconnected
l
ine
after
t
u
rning
off
the
Main
power.
(
wa
ll
mo
u
nt
t
y
pe)
