132
9-5. Diagnosis procedure for each check code
Ch
eck co
de
C
heck code
n
a
me
Ca
use
Sig
nal tr
ansmissi
on erro
r
on
the
remo
te cont
rol
Una
ble
to s
end s
ignal
s t
o in
door
un
its
* The
che
ck co
de
is
no
t i
n
di
ca
te
d o
n
th
e
cent
ra
l con
tr
o
l d
e
vi
ce o
r the
7
-se
gm
en
t i
n
di
cati
on
o
n
th
e
out
doo
r un
it.
Th
e
co
mm
uni
cati
on wir
ing
betwe
en the
re
mote c
on
tr
o
l
a
nd i
ndo
or
unit
s i
s
co
nnec
ted pr
oper
ly
.
Conn
ect
the wi
ring
pr
oper
ly
.
T
he tr
ans
mi
ss
io
n ci
rc
ui
t i
n the r
emo
te
contr
ol
mal
func
tions
.
➝
Re
pla
ce
the r
emo
te c
ontr
ol
.
Che
ck co
de
Che
ck cod
e
n
a
me
Cau
se
Communicat
ion
er
ror
bet
ween
t
he
indoo
r unit
a
nd remot
e
cont
rol
(det
ect
ed on th
e
indoo
r
un
it)
No
com
m
u
ni
ca
tion
fr
om
the
re
m
o
te
con
tr
o
l/
co
m
m
un
ic
at
io
n ada
pte
r
Th
e e
rro
r
is
de
tecte
d
w
hen
the
in
do
or
uni
t can
not
r
e
cei
ve
th
e si
gn
al
fr
om
the
w
ir
ed
r
emo
te
cont
ro
l.
C
heck t
he
com
m
uni
ca
tion
w
ir
ing
fr
om
th
e
re
m
o
te
con
tr
o
l A
and
B.
Th
e ch
eck
code
[E
03]
is
no
t i
n
di
cate
d o
n
the
r
e
m
o
te
con
tr
o
l a
s i
ts co
mm
un
ic
ati
on i
s d
o
w
n.
H
ow
e
ver
, the
cod
e
is
in
di
cat
ed
on
the
com
pli
an
t m
ana
ger
o
f TC
C
-L
IN
K
.
Ch
eck co
de
C
heck code
n
a
me
Ca
use
Is
th
e
in
te
r-u
nit
wire
of
rem
o
te
co
ntro
ls
(A/
B
) no
rm
al?
Correc
t inte
r-
un
it c
abl
e of
re
m
ote
c
o
nt
ro
l.
Cor
re
ct
co
nnec
tor
co
nnec
tion
an
d c
hec
k c
irc
uit
wir
in
g.
Is
th
er
e
no
di
sc
onne
ct
ion
o
r
co
nn
ec
to
r co
nt
a
ct
er
ro
r
o
n
ha
rn
ess
ou
t o
f te
rm
in
a
l
bl
oc
k of ind
o
or
un
it?
Is
a g
rou
p co
n
tr
o
l
op
era
tio
n?
Is
p
ow
e
r of
ea
ch
in
do
o
r
uni
t tu
rne
d
o
n
?
Is
pow
er
appl
ie
d
to r
e
m
o
te
c
ont
rol
?
AB te
rm
in
als
: A
p
pro
x.
DC1
8V
Is
s
e
tu
p o
f two
re
m
o
te
c
o
nt
ro
ls
wi
tho
u
t
he
ad
e
r r
e
mo
te
co
nt
ro
l?
Che
ck
powe
r c
onn
ec
tion
st
atus
o
f i
ndo
or
un
it.
(T
u
rn
on
po
wer
agai
n.)
Che
ck
in
door
P
.C. bo
ar
d
.
Def
ec
t
➝
Repl
ac
e
Chan
ge o
ne to
hea
der
/othe
r
to
fo
llo
w
er
. (
R
em
ot
e c
ont
ro
l
add
re
ss
co
nnec
tor
)
Ch
e
ck re
m
ot
e c
o
nt
ro
l P
.C.
bo
ar
d.
Def
ec
t
➝
Repl
ac
e
Commun
icati
on e
rror
bet
ween
th
e
ind
oor uni
t and
re
mote
con
tro
l
(d
ete
ct
ed on
t
he remo
te cont
rol)
1. Rem
ote c
ont
ro
l i
nter
-unit
wir
e e
rr
or
2. Ind
oor
po
wer
er
ro
r
3. Ind
oor
P.
C. boa
rd
er
ro
r
4. Rem
ote c
ont
ro
l ad
dr
ess
s
etup
er
ro
r
5. Rem
ote c
ont
ro
l P
.C. boa
rd
er
ro
r
Summary of Contents for MMY-MAP0724HT6UL
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Page 233: ...232 MMY MAP0964HT6UL MMY MAP1144HT6UL ...
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