138
Cause
Ch
ec
k c
od
e n
am
e
Ch
eck co
de
Comp
ressor
breakdow
n
Ro
tor-
st
op
condu
ct
ion
ha
s
occurred
.
1. Outdo
or unit powe
r
lin
e trouble
2. Com
pressor ci
rc
u
it sy
stem trouble
3. Com
press
or trouble
4. A
bnor
ma
l ov
er
lo
ad i
n ope
ra
tion
5. A
3-IPDU
P
.C. bo
ard trouble
Is
p
ower
vo
lta
ge
of
ou
tdo
or u
ni
t
no
rm
al?
No
Yes
Ye
s
No
No
Ye
s
No
Ye
s
No
Ye
s
Chec
k
IPDU
P.C. bo
ard
D
oes
v
ol
tag
e
dro
p o
cc
ur
w
he
n
ot
he
r co
m
pre
ss
or
st
ar
ts
?
Is
c
on
ne
ct
ion
of
w
iri
ng
or
con
nec
tio
n o
f
conne
ct
or
on
A3-
IPDU
P.
C.
boa
rd
nor
mal
?
Is
wind
in
g
re
si
st
a
nc
e
b
et
we
en
ph
as
es
of
co
rres
po
nd
in
g
co
mp
re
ss
o
r
n
or
m
al
?
(N
ot
e
1)
Is
not
it
an
ab
no
rma
l
o
ver
lo
ad
?
(N
ot
e 1
)
A
fte
r
che
cki
ng
the
ou
tpu
t,
w
hen
con
ne
cting
th
e
co
mpresso
r
lead
agai
n
to
the
compressor
te
rmi
nal,
check
surely
there
is
no distortion on the quick connect terminal receptacle terminal
.
If it is loosened, caulk it with pinchers, etc and then connect
le
ad
to
the
te
rmina
l f
irmly.
Det
ails
of
compresso
r
powe
r
con
necting
sec
tion
Corr
ec
t co
nnec
tor c
onne
cti
on
or
w
irin
g.
Compressor failure (Motor
burning, etc.)
Corr
e
ct c
aus
e o
f overloa
d.
Cor
rec
t powe
r l
in
e.
T
ak
e off l
e
ad wir
e
of comp
re
sso
r.
1
. Chec
k
re
si
stan
ce
betwe
en wi
ndi
ngs
:
It i
s
normal if
there are 0
.1
t
o
0.
4
.
2
. Chec
k
ins
ul
atio
n bet
ween o
utdo
or
cab
ine
t and
ter
min
al:
It i
s
normal if
there are 1
0 M
or more.
Cause
Che
ck cod
e n
ame
Ch
ec
k
co
de
Compressor
trouble (Lock)
1. Out
door un
it po
wer line trouble
2. C
ompresso
r c
irc
uit
sy
st
em trouble
3. C
ompres
so
r trouble
4. R
efr
iger
an
t st
agna
tion
in
com
pr
ess
or
s
hel
l
5. A
3-IPDU
P.C.
board trouble
Is
p
owe
r v
olt
age
of
ou
tdo
or
uni
t
n
or
m
al
?
*1
No
Yes
Op
era
tio
n st
ar
ts.
C
or
rec
t po
w
er
li
ne
.
Is
wir
in
g
or
co
nn
ec
to
r
co
nn
e
ct
io
n
on
A3
-
IPDU
P.
C.
bo
ard
no
rm
al?
No
Ye
s
Yes
No
Do
es
v
olt
age
d
rop
oc
cu
r whe
n
o
th
er
co
mp
re
sso
r
st
ar
ts
?
Ye
s
No
Ab
nor
mal
ov
er
loa
d?
C
hec
k A
3-
IPDU
P.C. b
oard.
Is c
o
m
press
o
r
no
rm
al?
*3
Ye
s
No
Com
pres
sor failure
Corr
ec
t ca
use
of o
ve
rl
oad.
Corr
ect
con
nec
tor co
nnec
tio
n
or wiri
ng.
*3 Ch
eck
the
fol
lowi
ng i
tems
ma
inl
y.
1.
E
xi
ste
nce
of ab
nor
mal
s
ound
and a
bnorma
l vi
br
at
ion
du
rin
g o
p
eratio
n or sta
rti
ng
2. A
bnorma
l overhea
t o
f ca
se
d
ur
in
g
op
er
at
io
n
or
s
to
p
tim
e (
Nev
er
touc
h wi
th ha
nds)
3.
C
u
rren
t o
f co
m
pr
es
so
r l
ead
du
rin
g
op
er
at
io
n
or
s
ta
rt
in
g
tim
e (
No s
udd
en c
hang
e of current?
)
* 220-240V ± 10 %
* 220-240V ± 10 %
Failure
Repl
ace
Failure
Repl
ace
6. SV5 misinstallation.
No
Ye
s
Correct SV5 valve circuit.
SV5 valve: Connector CN314, White
Is SV5 valve circuit normal?
Incorrect installation and
connection of SV5
128
A10-1510.indb 128
A10-1510.indb 128
2016/04/08 17:21:14
2016/04/08 17:21:14
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