Toshiba MMY-MAP0724HT6UL, Service Manual

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137
Ch
eck co
de
Ch
eck code
na
m
e
C
a
us
e
Co
m
m
un
ication signa
l sen
d
ing
error be
twee
n
ou
tdoor un
its
1. In
ter
-u
nit
wir
e c
onne
cti
on e
rr
or
be
tween
outdo
or
uni
ts
2. Co
mmun
ic
atio
n c
onne
cto
r c
onn
ect
ion
er
ro
r b
etween
o
utdoo
r u
nits
, I/
F
P
.C. b
oar
d er
ro
r
3. En
d ter
m
in
al r
es
is
tanc
e se
tup er
ro
r
b
etween
o
utdo
or
un
its
Is the
re
no
m
is
w
iring
or
di
sc
on
ne
cti
o
n
o
n co
mm
un
ic
at
io
n
li
ne
be
tw
een
ou
td
oor
un
its
?
Is
co
nn
ec
tio
n
of
C
N
0
3 co
nn
e
ct
or
o
n
ou
td
oo
r I/F
P.C.
bo
ard
norm
al?
Is
n
o
t ma
in
po
wer o
f
ou
td
oo
r u
n
it tur
n
ed
of
f?
Is the
en
d
ter
m
inal
re
si
sta
n
ce
bet
w
ee
n
o
u
td
oo
r un
its
tu
rn
e
d o
n?
(SW
3
0 Bit
1)
Di
d
p
o
we
r fa
ilu
re
o
ccu
r?
Is
th
e
re
no
no
is
e
so
ur
ce
, et
c.
?
C
h
ec
k r
em
ot
e
c
on
tr
ol
P.
C
. bo
ar
d
.
De
fe
ct
➝
Re
pl
a
ce
Cor
re
ct
com
m
uni
ca
tio
n li
ne.
Cor
re
ct
wir
in
g or
c
onne
cto
r.
T
ur
n on
m
a
in
po
w
er
o
f ou
td
oo
r
un
it.
T
ur
n
the en
d ter
m
inal
r
esi
st
anc
e
to
O
N
.
Cl
ear
c
hec
k c
ode
.
Chec
k a
nd el
im
ina
te no
is
e, etc
.
Che
ck cod
e
C
heck co
de
na
me
Ca
use
Hea
der
out
doo
r u
n
it q
uant
ity
er
ror
1
. Mi
sc
onne
cti
on o
f in
ter
-u
nit w
ire
be
tween
indo
or
and
outd
oor
2
. Ou
tdoo
r I/
F
P.C. b
oar
d er
ro
r
Sub
-c
ode
: 00:
No hea
der
uni
t 02
: T
w
o or
mo
re
head
er
uni
ts
Ar
e no
t
co
mmun
ica
tion
li
ne
s
(U
1,
U2
) be
tw
ee
n ind
oo
r
an
d ou
td
oo
r
co
nn
ec
ted
to
m
ult
ip
le
ou
td
oo
r
uni
ts
?
Is
com
m
u
ni
ca
tio
n
line
be
tw
ee
n i
n
do
or
an
d
ou
td
oo
r c
o
nn
ec
te
d to
on
e u
n
it pe
r 1
sys
te
m
?
Che
ck
I/F
bo
ar
d.
Conne
ct c
om
m
uni
ca
tion
li
ne
betwe
en i
ndoo
r a
nd ou
tdoor
to on
e uni
t pe
r 1
sy
st
em.
Conn
ec
t co
mmun
ic
atio
n l
ine
bet
ween i
ndo
or
and
outdo
or
.
Re
fe
re
nce
)
The
ou
td
oor
u
n
it co
nn
ecte
d w
ith
com
m
u
ni
cati
on
w
ires (
U
1,
U2
) be
tw
ee
n
in
do
or
and
ou
td
oor
is
a
u
to
m
a
tical
ly
r
e
co
gn
iz
ed
as t
he
he
ade
r un
it.
Che
ck co
de
C
heck co
de
na
m
e
C
aus
e
Uni
t conne
ct
ed t
o
oth
e
r line
du
ring
au
to
mati
c
add
ress
Wh
en s
tar
tin
g aut
omati
c ind
oor
add
re
ss
, a d
evi
ce
in
ano
ther
li
ne i
s con
nec
ted.
S
ub-
co
de: 0
1: Con
nec
tion
of a
n outd
oor
uni
t i
n ano
ther
li
ne
02: Co
nnec
tion of
an i
ndoo
r u
nit
in a
noth
er
lin
e
Se
par
at
e t
h
e con
n
ec
tion
bet
w
een
th
e l
in
es
fo
llo
w
in
g t
h
e ad
dr
ess se
tu
p m
e
thod
.