Toshiba MCY-MHP0305HT, Руководство по обслуживанию

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139
Ca
use
Ch
ec
k c
ode
n
a
m
e
Ch
eck co
de
Input curre
n
t de
tective ci
rcu
it
system error
1. W
iri
ng
or
co
nnec
tor c
onne
ction e
rror on
A3-IPD
U
P.
C
.
bo
ar
d
2. I
P
DU
P.
C
.
bo
ard
err o
r
W
iri
ng
or
co
n
n
ect
o
r con
n
ec
tio
n
on IPDU
P.
C.
bo
ar
d
no
rm
al
?
No
Ye
s
Cor
rect
co
nnec
tor
c
onne
cti
on
or wi
ring.
Cau
se
Che
ck co
de
name
Che
ck cod
e
Co
mpressor
case
ther
mo
op
e
rat
io
n
1. Cas
e th
ermo c
ircu
it e
rror
2. I/F P
.C. bo
ar
d
err
o
r
3. Se
rv
ic
e v
al
ve
cl
ose
d
4. O
utdo
or
PMV
cl
ogg
ing
5. SV4 valve leak, Coil misinstallation 6. 4-
way
va
lv
e err
or
7. Com
pr
e
ss
or
err
or
8. Refri
gerant a
m
oun
t sh
ortage
Che
ck
IP
DU P.C.
boa
rd
Def
ec
t
Repl
ace
Is ca
se
the
rm
o
c
irc
ui
t
no
rm
al
?
1.
C
o
nn
ec
to
r co
nn
ec
tio
n
2.
Wi
rin
g
3.
I/F
P.C.
bo
ard
(Not
e 1
)
No
Ye
s
S
tar
t op
er
atio
n.
Repai
r ca
se
ther
mo c
irc
uit
.
(Not
e 1)
1. Case therm
o is usually closed.
2.
O
pe
ra
tio
n
te
mp
er
at
ur
e o
f c
as
e
th
er
mo
is
1
20
°
C
.
Are
s
erv
ic
e
va
lv
es
o
f ga
s pi
pe
and
liqu
id
pi
pe
of
o
ut
do
o
r u
ni
t
fu
lly
o
p
en
ed
?
No
Ye
s
Op
en s
er
vi
ce
va
lv
es
full
y.
Are
ou
tdo
o
r
PM
V
no
rm
al
?
1.
C
o
nn
ec
to
r co
nn
ec
tio
n
2.
Wi
rin
g
3. Coi
l
4.
V
al
ve
bo
dy
5.
I/F
P.C.
bo
ard
No
Ye
s
Repai
r ca
se
ther
mo c
irc
uit
.
Connector CN3
00
White
No
Ye
s
Correct SV4 valve circuit.
S
V
4
v
alv
e:
C
on
ne
ct
or CN
31
2,
B
lue
Does
n
o
t
re
fri
gera
nt
by
pa
ss
fro
m
di
sch
a
rg
e
to
suc
tio
n t
h
ro
u
gh
4-
w
a
y va
lv
e?
Yes
No
Chec
k 4-w
ay
va
lv
e
.
Is
n
o
t
re
fr
ig
er
a
nt
by
pa
ss
ed
from
d
is
ch
a
rg
e t
o
su
ct
io
n
?
Yes
Chec
k pipi
ng.
Is
co
mp
re
ss
o
r n
or
m
al
?
(Not
e 2
)
No
Ye
s
Comp
res
so
r err
o
r
(Note 2) Check the
following items mainly.
1.
Exist
e
nce
o
f a
bn
or
m
al
so
un
d
an
d
ab
no
rm
al
vibr
at
io
n
du
rin
g
o
pe
ra
tio
n
o
r wh
e
n
sta
rt
in
g
2.
A
bn
or
m
al
o
ve
rhe
a
t o
f c
as
e d
ur
ing
op
er
at
io
n o
r s
top
(Do
n
ot
t
ou
ch
)
3.
Cu
rre
nt
o
f co
mp
resso
r d
uri
ng
op
er
at
io
n o
r sta
rt
in
g (N
o ra
pi
d cur
re
nt
cha
ng
e
)
Re
fri
ger
an
t amo
unt shortag
e,
cl
o
ggi
ng, p
ipe
breakage
(A
fte
r c
hec
ki
n
g t
here
is
no
s
lo
gg
in
g
or
p
ip
e b
rea
ka
ge
, c
ha
rg
e ref
ri
ge
ra
nt
ag
ai
n.
)
No
Is
I/F P.
C. board
normal
?
No
Che
ck
I/F P
.C. boa
rd
.
Ye
s
Are SV4 Valve circuits normal?
connection of SV4
2.
Leakage from SV4 circuit
1.
Incorrect installation and
117