Toshiba MCY-MHP0404HT, Service Manual, Page: 119 / 184

129
9-5. Diagnosis procedure for each check code
C
he
ck
c
od
e
C
he
ck
c
od
e
na
m
e
C
au
se
S
ig
na
l t
ra
ns
m
is
si
on
e
rro
r o
n
th
e
re
m
ot
e
co
nt
ro
lle
r
U
na
bl
e
to
s
en
d
si
gn
al
s
to
in
do
or
u
ni
ts
* T
he
c
he
ck
c
od
e
is
no
t i
nd
ic
at
ed
o
n
th
e
ce
nt
ra
l c
on
tro
l d
ev
ic
e
or
th
e
7-
se
gm
en
t i
nd
ic
at
io
n
on
th
e
ou
td
oo
r u
ni
t.
Th
e
co
m
m
un
ic
at
io
n
w
iri
ng
be
tw
ee
n
th
e
re
m
ot
e
co
nt
ro
lle
r a
nd
in
do
or
u
ni
ts
is
c
on
ne
ct
ed
p
ro
pe
rly
.
C
on
ne
ct
th
e
w
iri
ng
p
ro
pe
rly
.
Th
e
tra
ns
m
is
si
on
c
irc
ui
t i
n
th
e
re
m
ot
e
co
nt
ro
lle
r m
al
fu
nc
tio
ns
.
➝
R
ep
la
ce
th
e
re
m
ot
e
co
nt
ro
lle
r.
N
o
Y
es
C
he
ck
c
od
e
C
he
ck
c
od
e
na
m
e
C
au
se
C
om
m
un
ic
at
io
n
er
ro
r b
et
w
ee
n
th
e
in
do
or
u
ni
t a
nd
re
m
ot
e
co
nt
ro
lle
r
(d
et
ec
te
d
on
th
e
in
do
or
u
ni
t)
N
o
co
m
m
un
ic
at
io
n
fro
m
th
e
re
m
ot
e
co
nt
ro
lle
r /
co
m
m
un
ic
at
io
n
ad
ap
te
r
Th
e
er
ro
r i
s
de
te
ct
ed
w
he
n
th
e
in
do
or
u
ni
t c
an
no
t r
ec
ei
ve
th
e
si
gn
al
fr
om
th
e
w
ire
d
re
m
ot
e
co
nt
ro
lle
r.
C
he
ck
th
e
co
m
m
un
ic
at
io
n
w
iri
ng
fr
om
th
e
re
m
ot
e
co
nt
ro
lle
r A
a
nd
B
.
Th
e
ch
eck
co
de
[E
03
] i
s
no
t i
nd
ica
te
d
on
th
e
re
m
ot
e
co
nt
ro
lle
r a
s
its
co
m
m
un
ica
tio
n
is
do
w
n.
H
ow
ev
er
, t
he
c
od
e
is
in
di
ca
te
d
on
th
e
co
m
pl
ia
nt
m
an
ag
er
o
f T
C
C
-L
IN
K.
C
he
ck
c
od
e
C
he
ck
c
od
e
na
m
e
C
au
se
Is
th
e
in
te
r-
un
it
w
ire
o
f r
em
ot
e
co
nt
ro
lle
rs
(A
/
B
)
no
rm
al
?
N
o
Ye
s
Corr
ec
t i
nter-uni
t c
able
of
C
on
ne
ct
th
e
w
iri
ng
p
ro
pe
rly
.
re
m
ot
e
co
nt
ro
lle
r.
C
or
re
ct
c
on
ne
ct
or
c
on
ne
ct
io
n
an
d
ch
ec
k
ci
rc
ui
t w
iri
ng
.
Is
th
er
e
no
di
sc
on
ne
ct
io
n
or
co
nn
ec
to
r c
on
ta
ct
e
rr
or
o
n
ha
rn
es
s
ou
t o
f t
er
m
in
al
bl
oc
k
of
in
do
or
un
it?
Y
es
N
o
N
o
Ye
s
N
o
Ye
s
N
o
Ye
s
Ye
s
N
o
Is
a
g
ro
up
c
on
tro
l
op
era
tio
n?
Is
p
ow
er
o
f e
ac
h
in
do
or
un
it
tu
rn
ed
o
n?
Is
p
ow
er
ap
pl
ie
d
to
re
m
ot
e
co
nt
ro
lle
r?
A
B
te
rm
in
al
s:
A
pp
ro
x.
D
C
18
V
Is
s
et
up
o
f t
w
o
re
m
ot
e
co
nt
ro
lle
rs
w
ith
ou
t h
ea
de
r r
em
ot
e
co
nt
ro
lle
r?
C
he
ck
p
ow
er
c
on
ne
ct
io
n
st
at
us
o
f i
nd
oo
r u
ni
t.
(T
ur
n
on
po
w
er
a
ga
in
.)
C
he
ck
in
do
or
P
.C
. b
oa
rd
.
D
ef
ec
t
➝
R
ep
la
ce
C
ha
ng
e
on
e
to
h
ea
de
r /
o
th
er
to
fo
llo
w
er
. (
R
em
ot
e
co
nt
ro
lle
r
ad
dr
es
s
co
nn
ec
to
r)
C
he
ck
re
m
ot
e
co
nt
ro
lle
r P
.C
.
bo
ar
d.
D
ef
ec
t
➝
R
ep
la
ce
C
om
m
un
ic
at
io
n
er
ro
r b
et
w
ee
n
th
e
in
do
or
u
ni
t a
nd
re
m
ot
e
co
nt
ro
lle
r
(d
et
ec
te
d
on
th
e
re
m
ot
e
co
nt
ro
lle
r)
1.
R
em
ot
e
co
nt
ro
lle
r i
nt
er
-u
ni
t w
ire
er
ror
2.
In
do
or
p
ow
er
e
rro
r
3.
In
do
or
P
.C
. b
oa
rd
e
rro
r
4.
R
em
ot
e
co
nt
ro
lle
r a
dd
re
ss
s
et
up
e
rro
r
5.
R
em
ot
e
co
nt
ro
lle
r P
.C
. b
oa
rd
e
rro
r
118