Toshiba MMY-MAP0724HT6UL, Руководство по обслуживанию

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144
Ch
eck
c
ode
Ch
ec
k c
ode
name
C
aus
e
Low
-pr
essur
e
p
rote
cti
ve o
p
er
at
io
n
1. Se
rv
ic
e v
al
ve
cl
ose
2. Ps
s
ens
or
er
ro
r
3. SV
2, S
V
4
ci
rc
ui
t er
ro
r
4. Mi
swi
ring
of c
ommu
nic
ati
on b
etween
in
door
an
d
out
door
5. Ind
oor
/outd
oor
fan
and
con
dens
er
er
ro
r
6. Ind
oor
/outd
oor
PM
V c
lo
ggi
ng
7. Ind
oor
/outd
oor
hea
t ex
ch
ange
r c
lo
ggi
ng
8. Refr
iger
ant s
ho
rta
ge
Che
ck
co
de
Che
ck
c
ode n
ame
Caus
e
Ar
e
se
rv
ice va
lves
of gas and l
iqui
d
pi
pe of
out
door uni
t f
ul
ly
opened?
Ar
e
ch
ar
ac
te
risti
cs of
lo
w-
pr
es
su
re
s
ens
or
no
rma
l?
Ar
e
SV2
a
nd
SV4
ci
rc
ui
ts
no
rm
al
?
Is
a
ny
in
do
or u
nit
in
a di
ffere
nt
li
ne
conn
ec
te
d?
In c
ool
ing
s
e
as
o
n, go
to (A)
In
heati
ng s
eas
on
, go t
o (
B
)
*
1.
Pr
es
sur
e b
y p
res
su
re
gau
ge (
C
hec
k joi
nt)
2.
Pr
es
sur
e d
is
pla
y o
n 7-
se
gmen
t di
spl
ay
3.
Out
put v
ol
tage
of I/F
P
.C. bo
ar
d
If 1
and
2, 3 a
re
dif
fer
ent, a
n er
ro
r of pr
es
su
re
se
nso
r
er
ro
r i
s c
ons
id
er
ed.
If 2
and
3 ar
e di
ffer
en
t, c
hec
k I/
F
P
.C. b
oar
d.
Chec
k
mis
w
iri
ng, m
is
ins
tal
lat
ion
and c
on
nec
tor
co
nnec
tio
n.
(C
hec
k wi
th m
is
w
irin
g ch
ec
k fu
nct
ion
of ou
tdoor
un
it.)
O
p
en
se
rv
ic
e v
alv
es
full
y.
Ex
cha
nge low-
pr
es
su
re
sen
sor
.
Cor
rec
t S
V
2
and S
V
4
ci
rc
ui
ts
.
Cor
rec
t wi
ring.
Repai
r faul
ty
par
ts.
Repai
r faul
ty
par
ts.
Repl
ace
PMV
bo
dy.
Repl
ace
PMV
bo
dy.
(A
) C
oo
lin
g
D
oes
ind
oor
fa
n n
orm
all
y op
era
te
in
c
oo
lin
g se
as
on
?
Is
th
er
e
cl
ogging
of
in
doo
r a
ir f
ilt
er
or
he
at
ex
ch
an
ger
?
Is
in
do
or
P
M
V
nor
ma
l?
Refri
gerant shortage
or cl
ogging o
r pi
pe
deform
ed
Ar
e
fo
llo
wi
ng
it
em
s
conc
er
ne
d t
o i
nd
oor
fa
n
m
ot
or
no
rm
al
?
1.
C
onne
ct
or
c
onne
ct
io
n
2.
C
ond
ens
er
3.
Mo
to
r
4.
F
an
Is
c
onnect
or
connec
tion or coi
l
normal
?
Is
ther
e c
lo
ggi
ng
on w
hole
va
lv
e?
Is
in
door
fa
n s
ys
tem n
or
m
al
?
• F
a
n
cr
ac
k
• F
an c
omi
ng-
off
Chec
k o
utdoo
r I/F
P.
C. boar
d.
F
ail
ur
e
➝
Re
pl
a
ce
Refr
ig
er
ant s
hor
tag
e,
cl
ogg
ing
, pip
e de
for
m
ed
Cl
eani
ng
Cle
anin
g
(B
) He
a
lin
g
Chec
k
ind
oor
P.C.
boar
d.
F
ail
ur
e
➝
Re
pl
a
ce
Is
out
door f
an
nor
m
ally
oper
at
ed
in
heat
ing s
ea
son
?
Is t
here
clogg
in
g of outdoo
r h
eat
exch
ange
r?
Is
out
door PM
V
norm
al
?
Ou
tdo
o
r d
isch
ar
ge
te
mp
er
at
ur
e
sen
so
r (TD1
) misco
nn
ect
io
n
1
. Comi
ng-
off
of T
D
1 s
ens
or
2
. Mi
si
nst
all
ati
on of
T
D
1, T
D
2, o
r T
D
3
sen
sor
,
mi
swi
ring, ch
ar
act
er
is
tic
s er
ro
r of
re
si
st
anc
e va
lue
Co
rr
ec
t in
st
a
lla
tio
n of s
en
sor.
Co
rr
ec
t mi
sw
ir
ing/
mis
in
sta
lla
tio
n.
T
D
1:
CN502,
whit
e
T
D
2:
CN503,
pin
k
T
D
3:
CN504,
blu
e
S
ens
or
er
ro
r
➝
Repl
ac
e the
se
nso
r.
Che
ck
I/F P
.C. boa
rd
.
Is
T
D
1 s
ens
or
in
st
al
le
d c
orre
ct
ly
?
Is
ther
e n
o
m
isw
irin
g or
mis
in
sta
lla
tio
n on
T
D
1/T
D
2/
T
D
3
se
nso
rs
?
A
re
r
esi
st
an
ce
ch
ara
ct
e
rist
ic
s of
T
D
1
sens
or
nor
ma
l?