143
es
ua
C
e
m
an
ed
oc
kc
eh
C
ed
oc
kc
eh
C
es
ua
C
e
m
an
ed
oc
kc
eh
C
ed
oc
kc
eh
C
es
ua
C
e
m
an
ed
oc
kc
eh
C
ed
oc
kc
eh
C
Interl
ock in ind
oor unit
fro
m ou
tside
A
bnor
ma
l i
nput
fr
o
m
the
outs
id
e
No
No
Ye
s
Ye
s
Is
ou
tsi
d
e
de
vi
ce
co
nn
ec
ted
to
co
n
ne
ct
or
CN80
?
Doe
s o
ut
si
de
dev
ic
e
co
rr
e
ct
ly
o
pe
rat
e?
Che
ck
ca
use
of a
bnor
m
al
in
put.
Chec
k o
uts
ide
dev
ic
e.
Fa
ilur
e
Re
plac
e
Chec
k i
ndo
or
P.C.
board.
Fa
ilur
e
Re
plac
e
Other
IP
DU
troubles
1. O
utd
oor
uni
t po
w
er trouble
2. O
utd
oor I/F P
.C. boa
rd
trouble
Chec
k p
ower
v
olta
ge a
nd l
ine
.
Chec
k a
ux
ili
aty
noi
se
, etc
.
Ye
s
No
Is
th
ere
an
y
trou
bl
e
of o
utd
oor
un
it p
owe
r
su
pp
ly
?
Indoor
fan mot
or
trouble
1.
Wi
rin
g failure
2.
Chec
k
fan m
otor
Ye
s
Ye
s
Correct ca
bli
ng ci
rcuit
for
the
co
nnec
tor
c
onne
cti
on.
Rep
lac
e fa
n mot
or.
Che
ck
in
door
P
.C. boa
rd
.
Fail
ur
e
Repl
ace
Is
th
ere
no
co
nn
ec
tion
failure or
di
sc
on
ne
ct
io
n
of
C
N
07
6
co
nn
ec
to
r?
Is
n
ot
the
re l
oc
k
of
fan
mo
to
r?
No
No
* For t
he
mod
els
equ
ipp
ed wi
th A
C fan
motor o
nly
*
S
ee
“O
ut
do
or
u
n
it
te
mp
er
at
ur
e
se
ns
o
r
cha
ra
cteristics” on
“9-7.
Se
nsor ch
aract
eristics”
.
es
ua
C
e
m
an
ed
oc
kc
eh
C
ed
oc
kc
eh
C
D
isch
arge
temp T
D trouble
1.
Ser
vi
ce
v
alv
e of
outd
oor
uni
t c
los
ed
2.
Ou
tdoor P
MV
trouble
3.
T
D
se
n
sor trouble
4.
Refrige
ra
nt shortag
e
, clo
ggi
ng
o
f re
fr
ig
er
an
t p
ip
in
g
5.
4-
w
ay
val
ve
trouble
6.
SV4, SV5 circuit leakage, misinstallation
Are
se
rv
ic
e
va
lv
e o
f g
as
an
d
liq
uid
si
de
s f
ul
ly
op
ene
d
?
Is
o
ut
doo
r PM
V
n
orm
a
l?
1.
C
on
ne
ct
o
r
co
n
ne
ct
ion
2.
W
iring
3. Co
il
4.
Val
ve
bo
dy
5.
O
utd
o
or
I/F
P.C.
bo
ard
Are
ch
a
ract
e
ris
tics
of
TD
1
se
ns
or
r
es
is
ta
n
ce
no
rm
al
?
Doe
s
d
isc
ha
rg
ed
r
e
fr
ig
er
a
nt
ga
s
le
ak
to
su
ct
ion
s
ide
th
ro
ug
h
4
-w
a
y
val
ve
?
No
No
No
Ye
s
Ye
s
Ye
s
No
Ye
s
C
onn
ecto
rs: PMV1
: CN30
0
O
p
en
se
rv
ic
e
va
lv
e
fu
lly.
Repa
ir out
door
P
MV.
Rep
lac
e TD s
ens
or.
Che
ck
4-way
v
a
lve.
Cor
re
ct
ins
tal
lati
on o
f va
lv
e co
il.
Replace SV4, SV5 valve.
Corre
ct
w
irin
g
Are
in
d
oo
r u
nit
s
of a
di
ffer
ent
ref
rige
ran
t l
in
e
co
nn
ec
ted
?
No
Re
fr
igerant
sh
or
tage,
cl
o
ggi
ng, pipe
br
e
akage
(Ch
e
ck t
her
e is no
pip
e b
re
a
ka
ge
, an
d
the
n r
e
ch
ar
ge
th
e r
e
fr
ig
e
ra
nt.)
(Che
ck it u
sing
the
mi
swiring
c
he
ck fun
ction
of
th
e o
u
td
oo
r u
n
it.
)
No
Yes
Yes
Check outdo
or I/F P.
C
. b
oar
d.
Failure
Repl
ace
SV4, SV5 circuit
installed correctly?
correctly (no leakage)?
1.
Is SV4, SV5 valve coil
2. Is SV4, SV5 circuit sealed
133
A10-1510.indb 133
A10-1510.indb 133
2016/04/08 17:21:17
2016/04/08 17:21:17
