134
Ch
eck co
de
es
ua
C
e
m
an
ed
oc
kc
eh
C
IPDU communication trouble
1
. Connection trouble of communication line between
IPDU
and I
/F P.C.
board
2
. I/F P.
C
. boa
rd
err
or
3
. IPDU
P.C. b
oard error
4
. Ex
ter
nal noi
se
Is
co
mm
un
ic
ati
o
n
co
nn
ec
tor
bet
w
ee
n IPD
U
and
I/F
P.C.
bo
ard
co
nn
ec
te
d
?
No
Yes
Ye
s
No
No
Ye
s
No
Ye
s
Is
th
ere
n
o
d
is
co
nn
ec
tio
n
on
co
mmu
ni
ca
tio
n
li
ne
be
tw
ee
n
IP
D
U
a
n
d
I/F
P.C.
boa
rd?
Is
th
ere
vo
ltag
e d
efle
cti
on
be
tw
ee
n
4
an
d
5 p
in
o
f
C
N
60
0
on
I/F
P
.C
. bo
ar
d?
(M
ea
su
re
m
en
t w
ith
te
st
er:
DC
0 t
o
5
V
,
5
pi
ns
G
ND
)
Is
th
er
e
vo
ltag
e
de
fle
ct
ion
be
tw
ee
n
3
an
d
5
pi
n
of
CN6
00
o
n
I/F
P
.C.
b
oa
rd
?
(M
ea
sur
emen
t w
ith
te
st
er
:
DC0
to
5
V
,
5
pi
ns
G
ND
)
Replace failure IPDU
P.C.
boa
rd
.
In
th
e ca
se
tha
t All IP
D
Us
(A
3- IP
DUs
and
fa
n
IPDUs)
do
no
t r
etu
rn r
e
sp
on
se.
Co
rr
ec
t c
onne
cti
on o
f co
nnec
tor
.
Repl
ace commu
nicatio
n
lin
e.
I/F P.C.
board failure
I/F P.
C
. boa
rd
failure
Su
b-cod
e
*
See
“Ind
oo
r
unit
tempe
ratu
re
se
nsor ch
ar
act
eristics”
o
n
“9
-7.
S
en
sor cha
racte
ristics”.
* S
e
e
“I
nd
oor u
n
it t
empe
ra
ture
sen
sor ch
aracter
ist
ic
s” o
n
“9
-7
. Se
nso
r
cha
ra
cteristics”.
Ch
eck
code
es
ua
C
e
m
an
ed
oc
kc
eh
C
Indoor
TCJ sensor
trouble
No
Yes
TCJ
sen
sor
O
pen
/ Sh
or
t
Is
T
CJ
se
ns
or
c
o
nn
ect
or
(C
N102
: Re
d
) o
n i
nd
oo
r
P
.C
. b
oa
rd
n
or
m
al
ly
co
nn
ec
ted
?
No
Ye
s
Are
ch
ara
cte
ris
tic
s
o
f
T
C
J s
en
so
r
re
si
st
a
nc
e
va
lu
e
no
rm
al
?
Ch
eck
indoo
r P
.C. bo
ard.
Failure
Rep
lace
C
orr
ec
t c
onne
cti
on o
f
co
nn
ec
to
r.
Re
pla
ce TCJ
s
ensor.
Che
ck cod
e
es
ua
C
e
ma
n
ed
oc
kc
eh
C
In
door
TC2 se
nsor
trouble
T
C
2 s
ens
or Op
en / S
hort
Is
TC2
se
ns
or c
on
ne
cto
r
(CN
101
: Bl
ac
k)
on
in
doo
r
P.C.
bo
ard
no
rma
lly
co
nn
ec
te
d?
No
Ye
s
No
Ye
s
Are
c
har
ac
teri
st
ic
s o
f
T
C
2
se
ns
or
r
e
si
st
an
ce
va
lu
e n
orm
al
?
Chec
k i
ndo
or P.C.
board.
Failure
Re
pla
ce
Corr
ect co
nnection of
co
nn
ec
to
r.
R
e
pl
ac
e
T
C
2
se
ns
or
.
A3
-IP
D
U
Fa
n I
P
DU
01
02
03
04
05
06
07
Circl
e
(O):
Troubled IPDU
O
O
O
O
O
O
O
O
1 (Upper)
2 (Lower)
O
O
O
O
124
A10-1510.indb 124
A10-1510.indb 124
2016/04/08 17:21:12
2016/04/08 17:21:12
