77
Ca
us
e
M
o
re
th
an o
n
e o
u
td
oor
un
it
a
re assi
gn
ed
t
o
the
sa
m
e
ou
tdo
or
ad
dr
ess ma
nu
al
se
tti
ng
D
o
no
t se
t th
e o
u
td
oo
r ad
dr
ess m
a
nua
lly.
Ca
us
e
1.
Ou
tdo
or ba
ckup
set
ting
2.
Ou
tdo
or
po
wer
sup
ply e
rro
r
3.
Ou
tdo
or commun
icatio
n wiri
n
g co
nn
ectio
n e
rro
r
4.
C
o
n
nect
io
n er
ro
r
of con
nect
or
fo
r com
mu
ni
ca
ti
ons
5.
Ou
tdo
or
I/F
boa
rd
e
rr
o
r
Ca
us
e
Te
rmin
a
l u
n
it e
rr
o
r
An er
ror
occurred on t
he t
e
rmi
na
l un
it. Check the check
code
of
th
e ter
m
in
al
un
it on
the
7-
seg
m
en
t di
spla
y of th
e te
rmin
al
unit
I/F b
o
ard
, an
d
the
n fo
llow th
e d
iagn
osis p
ro
c
ed
ure
for e
a
ch
che
ck cod
e.
<Sp
eci
fyi
n
g
t
h
e
ter
m
inal
o
u
td
oo
r
un
it
w
her
e
an
er
ro
r o
ccur
re
d>
If S
W
0
4
i
s
p
re
ssed
fo
r
1 se
con
d o
r
lo
ng
er
w
h
ile
[E28
] i
s
d
ispl
aye
d
o
n
t
h
e
7-
seg
m
ent
di
sp
la
y of
th
e ce
nte
r
out
do
or
un
it,
th
e fa
n of the
ou
tdo
or
u
n
it
th
at ha
s be
en
stop
pe
d a
b
n
o
rma
lly will
r
u
n
.
If SW
05
is pre
sse
d al
on
e, the
f
a
n
sto
ps.
Che
ck cod
e n
a
me
Dupli
cat
e
te
rminal
ou
tdo
or addre
ss
set
tings
Che
ck cod
e n
a
me
Number
of
conn
ected
out
do
or u
n
it
s
decre
asing
Che
ck cod
e n
a
me
Termina
l o
u
tdoor
er
ror
Ch
eck co
de
[E
2
5
]
Ch
eck co
de
[E
2
6
]
Ch
eck co
de
[E
2
8
]
S
e
tti
ng t
he
outdo
or
bac
ku
p?
Ye
s
No
Cl
ear
th
e er
ro
r
and s
tar
t r
u
nn
ing
(
*1)
Aux
iliar
y
co
de: A
ddr
es
s
of ou
tdoor
un
it th
at c
ann
ot r
e
ce
iv
e
Is
the
wi
re
betwee
n out
door
un
its
co
nnec
ted
co
rr
ec
tl
y
?
No
Ye
s
Chec
k
the I
/F
boar
d
(*
1)
Cle
ar
ing
an er
ro
r
Se
t [S
W01
/ S
W
02
/ SW
03]
on t
he I/F
boar
d o
f the
ce
nter
out
door
un
it t
o
[2
/ 16
/ 1],
and
then
pr
ess
S
W
04
for
5 s
e
c
onds
or
l
onge
r.
(7
-s
eg
ment
dis
pl
ay
: [Er.] [.
..CL])
No
Ye
s
No
Ye
s
Is
the
termin
al
uni
t tur
ne
d on?
Is t
he
com
mun
ic
atio
n
c
onne
cto
r (
CN03
)
be
tween
outdo
or
uni
ts
of
the t
e
rm
ina
l u
n
it
c
onn
ec
ted
co
rr
ec
tl
y
?
T
u
rn
on
t
h
e p
o
w
er
.
Co
rr
ec
t the
wirin
g c
o
nne
cti
o
n
Co
rr
ec
t the
co
nnec
tor
c
onne
cti
on
(C
om
muni
ca
tion
co
nnec
tor
: CN0
3)
A
u
x
ili
ar
y
cod
e: Det
ecte
d ou
tdoor
un
it No
.
Ca
use
1
.
IP
DU -
I/F b
o
a
rd
commun
ication
wirin
g co
nn
ectio
n e
rror
2
.
I/
F bo
ar
d
er
ro
r
3
.
IP
D
U
bo
ar
d e
rro
r
4.
Ext
e
rn
al n
o
ise
Ch
eck co
de
na
me
IP
DU co
mmunicat
ion err
or
Che
ck cod
e
[E
31
]
Is
the
con
nec
tor
c
onn
ec
tion
for IPDU
-I/F
boar
d c
o
mm
uni
cat
ion
s
co
nnec
ted
?
No
Ye
s
Cor
re
ct
the c
onn
ec
tor
co
nnec
tio
n
Aux
ilia
ry
c
ode:
A3
-I
P
D
U
F
an
IP
DU
A3-
IP
DU
F
an
IP
D
U
123
123
01
ż
0A
żż
02
ż
0B
żż
ż
03
żż
0C
żż
04
ż
0D
żż
ż
05
żż
0E
żż
ż
06
żż
0F
żżż
ż
07
żżż
ż
: IP
DU error
08
ż
09
żż
Is
the
re
v
o
lta
ge s
w
in
g
be
tween
4 and
5 of
CN6
00 on
the I
/F
boar
d?
[Tes
ter ca
lc
ula
tion
:
DC 0 t
o
5 V
5 pin GND]
Yes
No
Re
pla
ce IPDU
b
oar
d
If
A3
-I
P
DU an
d fan
IPDU d
o
not
r
e
spo
nd
*
8
, 10,
12 ho
rs
e p
o
wer
:
2
A3-
IP
DU (
N
o. 1,
No. 2)
1
4
, 16
hor
se
powe
r:
3
A3-
IP
DU (
N
o. 1,
No. 2,
No. 3)
No
Ye
s
No
Ye
s
Is
the
re
any
di
sc
on
nec
tion
o
f the
com
muni
ca
tio
n li
ne
betwe
en IP
DU
a
nd I/F?
Is
the
re
v
o
lta
ge s
w
in
g
be
tween
3 and
5 of
CN6
00 on
the I
/F
boar
d?
[Tes
ter ca
lc
ula
tion
:
D
C
0 – 5
V
5 pin GND]
Repl
ac
e the
wir
e
I/F
bo
ar
d er
ro
r
I/F
bo
ar
d er
ro
r
Summary of Contents for MD-VNK802HEXE
Page 120: ...118 11Owner s Manual Excerpt ...
Page 137: ...135 12Installation Manual Excerpt ...