Toshiba MD-VNK802HEXE, Service Manual

Page: 93 / 214

91
Ca
us
e
1.
Ou
tdo
or
service valve cl
o
s
ed
2.
Ou
tdo
or
PM
V
er
ro
r
3.
TD sen
sor
e
rr
o
r
4.
Refr
ige
ra
n
t sho
rt
age
/ P
ipe
clogg
ing
5.
Fou
r-
w
ay val
ve er
ro
r
6.
SV
4 ci
rc
ui
t l
e
aka
ge
/ m
isin
sta
lla
ti
on
Che
ck cod
e n
a
me
Disch
arge
t
e
mper
at
ure
TD1 e
rror
Ch
eck co
de
[P
0
3
]
Refrige
ra
nt s
hortage
/
Clog
gin
g / B
ro
k
en
pip
e
No
Ye
s
Ar
e
the
gas
pi
pe,
liqui
d p
ipe,
and
ser
v
ic
e
v
alv
e o
f the
outdo
or
uni
t
open
ed fu
lly?
O
p
en
the s
e
rv
ic
e v
a
lv
e fu
lly
No
Ye
s
Is the
o
u
tdoo
r
PM
V r
unn
ing
pr
oper
ly
?
1
. Conn
ecto
r
con
nec
tion
2. P
ipe
3.
Coil
4. V
a
lv
e
5
. O
u
tdoo
r P
C
bo
ar
d
Ar
e t
he
TD
1 s
e
ns
or
re
si
st
a
n
t
c
har
ac
ter
is
ti
cs
co
rr
ec
t?
Doe
s
th
e d
is
ch
a
rg
e g
a
s
ru
n t
h
ro
ugh
th
e f
our
-w
ay
va
lv
e
u
p
to
th
e
su
ct
io
n side?
No
Ye
s
No
Ye
s
No
Ye
s
No
Ye
s
S
V
4 ci
rc
ui
t
1.
Ar
e the
SV
41, S
V
4
2
,
an
d SV
43 v
a
lv
e
coi
ls
ins
tal
led
pr
oper
ly
?
2. Is
the
SV
4 c
irc
u
it
pr
oper
?
Is
an
ind
oor
uni
t of
anot
her
r
e
fr
ige
ra
n
t li
ne
c
onne
cte
d?
Re
pair
th
e out
door
P
M
V
Re
plac
e t
he T
D
1 s
ens
or
Ch
ec
k
the
four-way
v
a
lv
e
In
sta
ll the
v
a
lv
e coi
ls
pr
ope
rl
y
or
r
epl
ac
e the
SV
41 v
a
lv
e
Co
rr
ec
t the
wirin
g
*
C
onn
ec
tor
PMV
1: CN
300, P
M
V
2
: CN30
1, P
M
V4
: CN303
*
S
e
e
"
9
-9
. Se
nso
r
cha
ra
cter
isti
cs
/ O
u
td
oor
uni
t tem
per
atur
e
sen
sor
c
har
ac
ter
is
tic
s
"
(U
se
the m
is
w
ir
in
g c
hec
k f
unc
tion
of th
e out
door
un
it.)
(C
o
n
fir
m t
hat th
er
e is
no
cl
oggi
ng
or
br
oke
n pi
pe,
and t
hen c
har
ge
the r
e
fr
iger
ant
agai
n.)
Ca
use
1.
Hig
h-p
re
ssur
e
S
W
er
ro
r
2
.
S
e
rv
ice va
lve clo
s
ed
3.
Pd
s
e
n
s
or
e
rr
o
r
4
.
Indo
or
/ Outd
oo
r fan
er
ro
r
5
.
Indo
or
/ Outd
oo
r PM
V
cl
o
ggi
n
g
6
.
He
at e
xcha
ng
er
clog
ging
, sh
or
t cir
c
uit
7.
SV
2
ci
rcui
t
e
rro
r
8.
SV
4
ci
rcui
t
e
rro
r
9.
SV
5
ci
rcui
t
e
rro
r
1
0
. Di
sch
arge
ch
eck va
lv
e e
rror
1
1
. Refr
ige
ra
n
t
over
ch
ar
ging
Ch
eck co
de
na
me
Hig
h-pre
s
sur
e SW
e
rror
Che
ck cod
e
[P
04
]
Re
se
t the p
o
wer
, an
d the
n
s
tar
t th
e tes
t r
un f
o
r the
s
eas
on
.
No
Ye
s
Do
es
the
hig
h-
pr
e
s
s
u
re
sw
it
c
h
w
o
rk
?
Is
the
hig
h-p
re
s
s
u
re
s
w
itc
h
c
o
mp
onen
t co
rr
ec
t?
Is
the
s
e
rv
ic
e
va
lv
e ope
ned
ful
ly
?
No
Ye
s
No
Ye
s
No No
Ye
s
Ar
e th
e
hig
h pr
es
sur
e
sen
sor
ch
a
ra
c
te
ri
st
ics
c
o
rre
ct?
Do
es
the
out
door
fan
of c
ool
ing
wor
k
pr
ope
rl
y?
Ch
ec
k th
e c
ompo
nent
E
rro
r
ĺ
Repl
ace
*
C
onne
ctor
P
M
V
1
: CN30
0
PM
V2
: C
N
3
01
PM
V4
: C
N
3
03
A
u
x
ili
ar
y
co
de: 01
: Com
pr
e
s
s
o
r 1,
02: Co
mpr
es
sor
2
, 03:
Comp
re
s
s
o
r 3
Note:
Hi
gh-
pr
es
sur
e S
W
is
u
s
ua
lly cl
os
e
(B
c
o
n
tact)
.
(B
) Co
o
lin
g
Ye
s
No
Ye
s
No
Is t
he ou
tdoor
PMV
r
unni
ng p
ro
per
ly
?
1. Conne
cto
r
c
onn
ect
ion
2.
P
ip
e
3. C
o
il
4. V
a
lv
e
5.
Ou
tdoor
P
C
boa
rd
Ar
e
there
an
y
obs
tacl
es
f
o
r
heat
exc
hange of
t
he out
door
un
it?
1.
H
e
at exc
hanger
c
log
gin
g
2.
Sho
rt
ci
rc
uit
(A)
Cool
ing
ĺ
G
o
to
(B
)
Heati
ng
ĺ
G
o
to (C)
Is
the
ci
rc
ui
t
wi
ri
ng
pr
oper
?
Is
the f
an pr
op
er
?
Ch
eck
the
A3
-I
P
DU boa
rd
Er
ro
r
ĺ
R
epla
ce
No
Ye
s
No
Ye
s
Ch
ec
k an
d c
o
rr
e
c
t wi
ri
ng
Op
en
t
h
e s
e
rv
ic
e
va
lv
e
fu
lly
Re
pla
ce the
h
igh
-
p
re
s
s
u
re
s
ens
or
F
ix t
he er
ro
r
Co
nnec
tor
c
onne
cti
on,
fan
IP
DU, fa
n mo
tor, wiri
ng
Re
pai
r t
he ou
tdoo
r P
M
V
Re
mov
e th
e obs
tac
le
s