Trou
b
l
e
shootin
g
S
a
msun
g
El
e
c
troni
c
s
4-75
4-4-32
:
C
omp. Down due to Low
P
ressure
P
rotection
C
ontrol
1. How to
c
h
e
c
k
Is th
e
S
-n
e
t
e
stim
a
t
ed
v
a
lu
e
a
n
d
th
e
M
a
ni
f
ol
d
G
a
u
g
e
v
a
lu
e
in r
a
n
g
e
?
Ar
e
th
e
In
d
oor Unit
a
n
d
Out
d
oor
Unit EEV norm
a
lly op
e
r
a
tin
g
?
Ar
e
th
e
r
e
a
ny
b
lo
c
k
a
g
e
insi
de
th
e
pip
e
? (
f
ilt
e
r
e
t
c
.)
Ch
e
c
k th
e
r
e
f
ri
g
e
r
a
nt
a
mount.
Is th
e
r
e
a
ny l
ea
k
a
g
e
in
th
e
Liqui
d
Pip
e
V
a
lv
e
or th
e
Dis
c
h
a
r
g
e
c
h
e
c
k v
a
lv
e
l
ea
kin
g
on out
d
oor unit th
a
t is o
ff
wh
e
n only som
e
Out
d
oor Units
a
r
e
op
e
r
a
tin
g
?
Auto Tri
a
l Op
e
r
a
tion
Op
e
n th
e
S
e
rvi
c
e
V
a
lv
e
R
e
pl
a
c
e
Low Pr
e
ssur
e
s
e
nsor
Ch
e
c
k th
e
r
e
l
e
v
a
nt EEV
Pip
e
insp
e
c
tion
R
e
pl
a
c
e
r
e
l
e
v
a
nt
c
ompon
e
nt
Y
e
s
Y
e
s
Y
e
s
Ar
e
a
ll s
e
rvi
c
e
v
a
lv
e
s op
e
n?
Conn
e
c
t
S
-n
e
t
a
n
d
M
a
ni
f
ol
d
G
a
u
g
e
.
(
e
ss
e
nti
a
l r
e
quir
e
m
e
nt)
No
No
No
Y
e
s
Y
e
s
No
Out
d
oor unit
d
ispl
a
y
( Air Cool
ed
)
In
d
oorunit
d
ispl
a
y
Du
c
t, C
a
ss
e
tt
e
(1/
2
W
a
y),Consol
e
, C
e
lin
g
C
a
ss
e
tt
e
(4/Mini4 W
a
y)
W
a
ll-mount
ed
(N
e
oFort
e
)
Op
e
r
a
tion
D
e
f
rost
Tim
e
r
F
a
n
Filt
e
r/MPI Op
e
r
a
tion
D
e
f
rost
Tim
e
r
Filt
e
r
Op
e
r
a
tion
Tim
e
r
Tur
b
o
×
×
◑
◑
◑
×
◑
◑
◑
●
◑
◑
※ ● :
ON
◑ :
Fl
a
sh
×:
OFF
Ju
d
g
m
e
nt M
e
tho
d
∙ Ju
d
g
m
e
nt M
e
tho
d
: Insp
e
c
tion wh
e
n th
e
v
a
lu
e
o
f
low pr
e
ssur
e
s
e
nsor is 1.8k
g
//
c
m², or l
e
ss
f
or
a
ir
c
on
d
itionin
g
a
n
d
0.8k
g
//
c
m²
f
or h
ea
tin
g
C
a
us
e
o
f
pro
b
l
e
m
∙ R
e
f
ri
g
e
r
a
nt short
a
g
e
∙ El
e
c
troni
c
e
xp
a
nsion v
a
lv
e
b
lo
c
k
ed
∙
S
e
rvi
c
e
v
a
lv
e
b
lo
c
k
ed
∙ Low pr
e
ssur
e
s
e
nsor
de
f
e
c
tiv
e
∙ Dis
c
h
a
r
g
e
c
h
e
c
k v
a
lv
e
l
ea
kin
g
on out
d
oor unit th
a
t is o
ff
∙ Error m
a
y
b
e
f
oun
d
wh
e
n us
ed
in t
e
mp
e
r
a
tur
e
r
a
n
g
e
outsi
de
th
e
c
on
d
itions o
f
us
e
(Op
e
r
a
tin
g
outsi
de
t
e
mp
e
r
a
tur
e
a
t -
2
0°C or l
e
ss
f
or h
ea
tin
g
a
n
d
op
e
r
a
tin
g
outsi
de
t
e
mp
e
r
a
tur
e
a
t -5°C or l
e
ss
f
or Coolin
g
)
Summary of Contents for AM072FXVAFH series
Page 219: ...5 6 Samsung Electronics 5 2 ASS YPCBMAIN HUB AC 1 2 3 4 5 6 7 8 9 10 11 12...
Page 223: ...5 10 Samsung Electronics 4 2 3 5 8 9 7 1 6 5 3 ASSY PCB INVERTER...
Page 225: ...5 12 Samsung Electronics ASS Y PCB INVERTER cont 4 8 10 9 7 6 11 12 13 1 2 3 5...
Page 229: ...5 16 Samsung Electronics 5 5 ASS YPCBFAN Model 1 FANchassis 1 5 2 6 3 4...
Page 231: ...5 18 Samsung Electronics ASS YPCBFAN cont Model 2 FAN chassis 1 7 2 8 3 4 5 9 6...
Page 260: ...Samsung Electronics 7 15 7 19 AM038KXWD66 7 20 AM048 055KXWD66...
