146
* S
ee “
O
ut
do
o
r u
ni
t t
e
mp
era
tur
e s
en
sor
ch
ar
ac
te
ris
tic
s”
on
“9
-7
. Se
nso
r
cha
ra
cteristics”.
es
u
a
C
e
ma
n
ed
oc
kc
eh
C
e
do
c
kc
eh
C
Ga
s lea
k de
tec
tion
T
S
c
on
d
iti
o
n
(S
u
b
-c
od
e
:
0
1)
1.
Ou
tdoor
un
it s
er
vi
ce va
lv
e c
los
ed
2.
Outdoor PMV trouble
3. T
S
sensor trouble
4.
R
ef
rige
ra
nt
shor
tage
, cl
ogg
ing
re
fri
ger
an
t ci
rc
ui
t
5. 4-
way val
ve
trouble
6.
SV4, SV5 circuit trouble
Ye
s
Ye
s
Ye
s
No
Ye
s
No
No
No
No
Ye
s
Co
nne
ctors:
PM
V1
: C
N
30
0
Op
en s
er
vi
ce
va
lv
es
full
y.
Repai
r outd
oor
PM
V.
A
re
se
rv
ic
e va
lv
e
s
a
t
ga
s an
d l
iqu
id
s
ide
ful
ly
o
pen
ed
?
Is
o
utd
oo
r PM
V n
o
rmal?
1.
Co
nn
ec
tor
co
nn
ec
tio
n
2. Wir
ing
3.
C
o
il
4. Val
ve
bo
dy
5.
O
u
td
oo
r I/F
P.C.
bo
ard
Are
ch
ara
ct
e
risti
cs
of T
S
se
ns
or
re
si
st
anc
e
no
rm
al?
D
o
es
d
isch
a
rg
e
re
fr
ig
e
ran
t ga
s by
pa
ss
to
su
ct
io
n
si
de
th
ro
u
gh
4-
wa
y va
lv
e?
leakage on SV4, SV5
Refr
ig
er
ant s
hortag
e,
cl
ogg
ing
, pip
e br
eak
ag
e.
Repl
ace TS
sensor.
Che
ck
and
r
epla
ce
4-
way
va
lv
e a
nd c
oi
l.
Repair SV4, SV5 valve circuit.
(Ch
eck t
h
er
e i
s no
cl
og
gi
ng
an
d p
ipe
brea
kag
e,
and
th
en
re
cha
rge
refrig
eran
t.)
(Coil, valve bo
dy,
di
sc
on
ne
ct
io
n o
f w
ire,
et
c.
)
es
ua
C
e
m
an
ed
oc
kc
eh
C
ed
oc
kc
eh
C
Outdoo
r liquid
b
a
ck
detecti
o
n
trouble
1. Outdoor PMV trouble
2. P
D sens
or, PS
senso
r
error
3. L
eak
age
at a c
he
ck
va
lv
e on
a mai
n d
is
cha
rg
e pi
pe
4. Out
door I/F P
.C. bo
ard trouble
5. Clogging of SV2 circuit.
Are
co
n
n
ec
tion
s o
f o
ut
d
oo
r
co
rrec
t?
No
No
Ye
s
Cor
re
ct c
onn
ec
tor
co
nnec
tio
n.
(Outdoor PMV: CN300)
P
MV failure
Are
op
era
tio
ns
of
ou
tdo
o
r
No
Yes
Ye
s
Ye
s
No
Is
t
h
er
e
n
o
le
ak
ag
e o
f
ch
eck
va
lv
e o
f ma
in
di
sc
ha
rge
pi
pe
in
fo
llo
w
er
u
ni
ts in
whi
ch
co
mp
re
ss
or
s
a
re d
riv
en
in
coo
lin
g
op
era
tio
n?
Che
ck
I/F P
.C. boa
rd
.
R
ep
la
ce
ch
ec
k v
a
lv
e o
f ma
in
di
sc
ha
rge
pi
pe.
Is
SV2 valve coil correctly
connected?
Correct connector connection
Is there any
valve circuits?
PMV connector
PMV normal?
137
A10-1510.indb 137
A10-1510.indb 137
2016/04/08 17:21:19
2016/04/08 17:21:19