144
es
ua
C
e
ma
n
ed
oc
kc
eh
C
ed
oc
kc
eh
C
Abnormal inverter DC voltage (on c
ompres
sor)
Po
wer failure of the p
ower supply to the outdoor unit
S
ub
-c
od
e:
0
0:
P
ha
se
e
rro
r /
p
ow
er
fa
ilu
re
is
d
et
ec
te
d.
• C
he
ck
th
e
ph
as
e
of
th
e
po
w
er
li
ne
to
th
e
ou
td
oo
r u
ni
t.
• Check there are no loosened connectors, etc.
• Check error of outdoor A3-IPDU P.C. board.
Is power
voltage normal ?
Correct power line.
Correct wiring.
Yes
Yes
Check A3-IPDU P.C. board.
No
No
* 220-240 V ± 10 %
es
ua
C
e
ma
n
ed
oc
kc
eh
C
ed
oc
kc
eh
C
H
ea
t s
in
k
ov
er
he
at
e
rr
or
1. P
ow
er
v
ol
ta
ge
e
rr
or
2. O
utdoo
r f
an
s
ys
te
m
e
rro
r
3.
H
ea
t s
in
k
in
st
al
la
tio
n
er
ro
r
4. Clo
ggi
ng
o
f t
he
c
oo
lin
g
du
ct
fo
r t
he
h
ea
t s
in
k
5.
A
3-
IP
D
U
P
.C
. b
oa
rd
e
rro
r
Is
wi
ring
o
f A
3-
IP
D
U
no
rm
al
?
Is
p
ower
v
ol
ta
ge
no
rm
al
?*
Is
in
do
or
fa
n
no
rm
al
?
Ye
s
Ye
s
No
No
No
Ye
s
C
or
re
ct
p
ow
er
li
ne
.
Corr
ec
t w
iring
to
co
m
pr
es
so
r o
r c
on
ne
ct
or
co
nn
ec
tio
n.
Ch
ec
k
fa
n
an
d
fa
n
m
ot
or
.
Ye
s
Ti
gh
te
n s
cr
ew
s.
C
le
ar
c
lo
gg
in
g.
Are
s
cre
w
s
fix
in
g
A3-
IP
D
U
a
nd
h
ea
t s
in
k
lo
os
en
ed
?
Is
th
ere
n
o
cl
og
gi
ng
of
h
ea
t e
xc
ha
ng
er?
Ye
s
No
No
Chec
k A3-IP
DU P.C.
b
oa
rd
.
* 220-240 V ± 10 %
D
ef
ec
t
Repl
ac
e
Is the
wiring for the
A3-IPDU P.C. board
normal ?
134