81
Ca
us
e
In
d
o
o
r P
C
bo
ar
d e
rro
r
W
h
ile t
h
e
ai
r con
di
ti
on
er
is r
u
n
n
in
g
, a
n
e
rro
r occu
rr
ed
o
n
t
h
e I
C
1
0
n
o
n
-vo
lat
ile
me
mor
y (EE
P
R
O
M) o
f t
h
e in
do
or
u
n
it
boa
rd. R
e
pl
ace
th
e se
rvi
ce
bo
ar
d.
*
If
EEP
ROM
is no
t inse
rt
ed
when
p
o
wer
ed
on
, o
r
if
no
EE
PROM
da
ta
can
be
r
e
ad
/
w
ritte
n,
re
pe
at t
h
e
au
to a
d
d
re
ss
m
o
d
e
. [
9
7
Er
ro
r]
a
ppe
ar
s o
n
t
he
AI-
N
ET ce
ntr
al
co
nt
ro
l
de
vice
.
Ca
us
e
1.
Ou
tdo
or
po
wer
sup
ply e
rro
r
(vo
ltag
e,
noise
, e
tc.)
2.
Ou
tdo
or
I/F
boa
rd
e
rr
o
r
Che
ck cod
e n
a
me
In
door
un
it
or
ot
her
e
rror
Che
ck cod
e n
a
me
Out
do
or EEP
R
O
M
e
rror
Ch
eck co
de
[F
29]
Ch
eck co
de
[F
31]
(P
ower
on
)
(A
pp
ro
x
. 3 mi
n.)
[SE
T DATA
]
ap
pear
s
on
the r
e
mo
te
c
ontr
ol
ler
[SE
T DATA
]
di
sap
pear
s
LE
D (
D
02)
on
the
ind
oor
uni
t bo
ar
d
1
Hz
b
lin
k
s
for
a
ppr
ox
. 10 s
e
c
.
Reboo
t (
R
ese
t)
(A
p
p
ro
x
. 1
m
in
.)
(R
ep
eat)
Chec
k
the I/
F
b
oar
d
No
Ye
s
Is
ther
e p
o
wer
di
sor
de
r?
C
hec
k p
o
wer
su
ppl
y a
nd v
o
lt
age
C
o
rr
ec
t po
wer
li
ne
C
hec
k th
e ex
ter
nal
noi
se
, etc
.
Ca
use
1
.
O
u
td
oor
p
o
w
e
r su
pp
ly
er
ro
r
2
.
C
o
mp
re
s
s
o
r c
ir
c
ui
t
er
ro
r
3
.
C
o
mp
re
s
s
o
r e
rr
o
r
4
.
O
v
er
load
op
er
at
io
n
5.
A3
-I
P
DU bo
ar
d e
rro
r
Ch
eck co
de
na
me
Comp
ressor brea
k
d
own
Rot
or sto
p co
nduct
ion
Che
ck cod
e
[H
01]
Is th
e v
o
lta
ge
of the
outd
oor
uni
t
co
rr
ec
t?
(
*1
)
No
Ye
s
Ch
ec
k th
e A3
-I
P
DU bo
ar
d
Ye
s
No
No
Ye
s
Is
the
wir
ing
con
nec
tor
co
nnec
ti
on
on th
e A
3
-I
PDU b
oar
d
c
o
rre
ct?
Is
the
co
il
re
si
sta
n
ce
betw
e
en
the
phas
es
of th
e tar
ge
t
c
o
m
p
re
ss
o
r co
rre
c
t?
(*
2
)
Cor
rect
power
l
ine
Remo
ve
the c
o
mp
re
ss
or
le
ad wi
re
.
1.
Coi
l r
e
s
is
tan
ce c
h
e
c
k
: T
her
e i
s
no pr
ob
lem
if i
t
is
0.
1
to 0
.4
.
2.
T
e
rm
in
al -
O
u
tdo
or b
o
x
in
s
u
la
tio
n ch
eck
: T
her
e
is
no
pr
obl
em i
f it
is
10 M
or
hig
her
.
(*
1)
Ratin
g v
olta
ge ±
10
%
A
u
xi
liar
y cod
e:
01: Co
mpr
es
s
o
r 1
02: Co
mpr
es
s
o
r 2
03: Co
mpr
es
s
o
r 3
No
Ye
s
Ye
s
No
Do
es
the
v
o
lt
age d
e
cr
ea
se
whe
n an
other
c
o
mpr
es
s
o
r
st
art
s
r
unn
ing
?
O
v
e
rl
oad?
(*
2)
Whe
n r
e
c
onne
cti
ng th
e c
o
mpr
es
so
r l
ead
to th
e
co
mpr
es
sor
te
rm
inal
aft
er
che
ck
in
g the
outpu
t,
ch
eck
i
f the f
a
st
en te
rm
inal
is
no
t lo
ose
.If i
t is
,
tig
hten i
t wi
th pl
ie
rs
or
the
li
ke
and t
hen c
onn
ec
t it.
Cor
rect
the wi
ri
ng
con
nec
tor
c
onnec
ti
on
Comp
re
ss
or
er
ro
r
(M
otor
b
u
rn
out,
etc.
)
Cor
re
ct
the o
v
er
load
Compr
esso
r p
o
wer
conne
ct
ion
pa
rt
Summary of Contents for MD-VNK802HEXE
Page 120: ...118 11Owner s Manual Excerpt ...
Page 137: ...135 12Installation Manual Excerpt ...