Toshiba MCY-MHP0305HT, Руководство по обслуживанию

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137
Cau
se
Ch
eck co
de
na
me
Che
ck cod
e
Ps
sensor er
ror
O
utpu
t v
olta
ge err
or
of P
s
sen
sor
(1) Pres
su
re (
C
hec
k j
oi
nt)
by
press
ure g
auge
(2
) Pr
es
su
re
di
spl
ay
on 7
-s
egm
ent d
is
pla
y
(3
) O
ut
pu
t vo
ltag
e of
I/F P.C.
board
If (1
) an
d (2
), (3
)
are
d
iff
er
en
t,
an
e
rro
r
of
pr
es
su
re
se
ns
or
it
se
lf i
s co
ns
id
er
ed
.
If
(2
)
an
d
(3)
are
different,
ch
eck in
te
rfa
ce
P.
C
. b
oar
d.
Is
c
on
n
ect
ion
of
P
s
se
ns
or
co
nn
ec
to
r
co
rrec
t?
No
Ye
s
Are
ou
tpu
t
vo
lta
ge
cha
ra
ct
er
ist
ic
s
of
P
s se
ns
or
norm
al?
No
Ye
s
Is there n
o leakage
fr
o
m
SV
4 va
lv
e?
No
Yes
Repl
ace
SV
4 v
alv
e.
Chec
k 4-
way val
ve
.
Ye
s
No
Co
rr
ec
t c
onne
cti
on o
f
co
nn
ec
tor.
Che
ck
c
ompr
es
sor
Sen
sor
e
rr
or
Re
pla
ce
Cause
Che
ck cod
e n
a
me
Ch
eck code
Pd sensor er
ror
Ou
tput v
ol
tage
er
ro
r o
f Pd
sen
so
r
It
is
ou
tp
ut
v
olt
age
er
ro
r o
f P
d
se
ns
or
. Ch
ec
k di
sc
on
nec
tio
n
of
c
on
nec
tio
n o
f c
onn
ec
to
r (P
d s
ens
or
: CN5
01
, r
ed
)
circu
it an
d o
u
tp
ut
volta
ge
of
senso
r.
If th
e
senso
r is no
rm
al
, r
e
pla
ce o
u
td
oo
r
I/F P
.C. bo
ar
d.
Con
nector
: CN
500, Wh
ite
Is
n
ot
re
fri
ge
rant
by
pa
ss
ed
from
di
sc
har
ge
to
suc
tio
n
of
4-
way
val
ve?
Cause
Che
ck cod
e
name
Check
code
In
d
o
o
r ot
h
er
er
ro
r
Indoo
r P
.C. b
oar
d err
or Chec
k power
v
ol
tage
and l
in
e.
Correct
power li
ne
.
Chec
k ex
ter
nal
noi
se,
etc
.
No
Yes
Is
the
re
any
tr
oub
le
of out
d
oo
r
un
it
po
wer sup
p
ly
?
Thi
s e
rro
r
is de
tecte
d
dur
ing
op
er
at
io
n
of a
ir
cond
ition
e
r of
IC10
(
IC
50
3)
no
n-
vola
tile
m
e
m
o
ry
(
E
E
P
ROM
) on
in
do
or
u
n
it P
.C.
bo
ar
d.
Re
pla
ce
se
rvice
P.
C.
bo
a
rd.
* I
f EE
PROM was
not
inser
ted
w
hen
power was t
u
rned
on or it is absolutely impossible t
o
read
/ wr
ite
E
E
P
R
O
M
da
ta
, t
he
au
to
m
at
ic
ad
dr
es
s m
ode
is
r
epe
at
ed
.
[SE
T
DATA]
is
d
isp
la
ye
d
on remo
te
con
tr
oll
er
.
[S
ET DA
TA]
di
sa
pp
ea
rs
.
L
E
D (D02) 1
Hz
flas
hes
for ap
pr
o
x.
1
0 se
co
nds
on
in
doo
r unit
P.C.
b
oard.
Reboo
t (Rese
t)
(R
ep
etit
ion)
Ca
use
Che
ck cod
e n
a
me
Ch
ec
k c
od
e
Outdoo
r EEPROM
error
1. O
utd
oor uni
t pow
er
err
or
(V
o
lta
ge
, n
oi
se
, e
tc
.)
2. Outd
oor I/F P.
C. boa
rd
err
or
(Powe
r ON)
(A
p
pr
ox. 3
mi
nutes
)
(A
pp
ro
x.
1 m
inu
te
)
C
hec
k I/
F
P
.C. b
oard
Def
ec
t
Repl
ace
Ɣ3DUWQXPEHUVVXFKDVFRQQHFWRUVDQGIXVHVPLJKWEHGLI
IHUHQW
GHSHQGLQJRQWKHPRGHO
In that case, please refer to the service manual of each indoor unit.
115