144
es
ua
C
e
ma
n
ed
oc
kc
eh
C
ed
oc
kc
eh
C
Hea
t sink overhea
t
trouble
1
. Po
w
er vo
ltag
e trouble
2
. Outdoo
r
fan sy
stem
trouble
3
. Heat
si
nk
ins
tal
lat
ion
trouble
4
. Clo
gging of
the coolin
g duct
for
th
e
hea
t s
in
k
5
. A3
-IP
DU P
.C. boa
rd
trouble
Is
wi
ring
o
f A3
-IPDU
nor
m
al
?
Is
po
wer v
ol
tag
e
no
rm
al
?*
Is
ind
oor
fan
no
rm
al
?
Yes
Yes
No
No
No
Yes
Cor
re
ct p
ower
li
ne.
Corr
e
ct w
iring
to
co
m
pre
ss
or
o
r co
nn
ec
to
r
co
nnec
tio
n.
Chec
k
fan a
nd fan
moto
r.
Yes
T
ighte
n sc
re
ws
.
Clea
r
cl
o
ggi
ng.
A
re
s
cr
ew
s
fixi
ng
A3
-I
P
D
U
an
d
he
a
t s
in
k
lo
os
en
ed
?
Is
th
ere
n
o
cl
og
gin
g
of
h
ea
t
exch
a
ng
er
?
Yes
No
No
Chec
k A3-IP
DU P.C.
boa
rd.
* 220-240V ± 10 %
Def
ec
t
Repl
ace
es
ua
C
e
m
an
ed
oc
kc
eh
C
ed
oc
kc
eh
C
Abnormal inverter DC voltage
(on compressor)
Power failure of the power supply to the outdoor unit
Sub-code: 00: Phase failure / power failure is detected.
Ch
eck t
he
pha
se
of t
h
e
po
we
r
lin
e
to t
he
out
d
oo
r
un
it.
Check there are no loosened connectors, etc.
Check trouble 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 %
Is the
wiring for the
A3-IPDU P.C. board
normal ?
135
A10-1510.indb 135
A10-1510.indb 135
2016/04/08 17:21:18
2016/04/08 17:21:18
