T
roub
l
eshooting
Sa
m
sung
El
ectronics
4-
55
4-3-35
: Suspension of starting by abnormal compression ratio
1
.
Cause
of
prob
l
e
m
Co
m
p
l
ete
Chec
k
the
4W
a
y
Va
lv
e
R
ep
l
ace
defecti
v
e
sensor
No
No
Y
es
Y
es
Are
the
4W
a
y
Va
lv
e
nor
m
a
lly
operating
?
Is
the
S
-
net
esti
m
ated
v
a
l
ue
and
the
Manifo
l
d
G
auge
v
a
l
ue
in
range
?
Chec
k
the
re
l
e
v
ant
EE
V
No
No
Are
the
Indoor
Unit
and
Outdoor
Unit
EE
V
nor
m
a
lly
operating
?
Co
m
pressor
Inspection
Chec
k
the
refrigerant
No
Y
es
Is
current
of
co
m
pressor
nor
m
a
lly?
Auto
T
ria
l
Operation
R
ep
l
ace
defecti
v
e
sensor
Outdoor
unit
disp
l
a
y
Indoorunit
disp
l
a
y
Duct
,
Cassette
(1/
2
W
a
y),
Conso
l
e
,
Ce
l
ing
Cassette
(4/
Mini
4 W
a
y)
W
a
ll-m
ounted
(
NeoForte
)
Operation
Defrost
T
i
m
er
Fan
Fi
l
ter
/
M
P
I Operation Defrost
T
i
m
er
Fi
l
ter Operation
T
i
m
er
T
urbo
×
×
◑
◑
◑
×
◑
◑
◑
●
◑
◑
※ ●
:
ON
◑
:
F
l
ash
×:
OFF
J
udg
m
ent
Method
∙
Co
m
pression
ratio
[(H
igh
pressure
+1
.03
)/(L
o
w
pressure
+1
.03
)] l
ess
than
1
.5
and
l
asts
for
1
0
m
inutes
or
m
ore
∙
Differentia
l
pressure
(
high
pressure
- l
o
w
pressure
) l
ess
than
0.
4
M
P
a.g
and
l
asts
for
1
0
m
inutes
or
m
ore
Cause
of
prob
l
e
m
∙
Indoor
and
Outdoor
EE
V
brea
k
do
w
n
∙ 4W
a
y
Va
lv
e
brea
k
do
w
n
∙ H
igh
and
L
o
w
pressure
sensor
defecti
v
e
∙ R
efrigerant
shortage
Summary of Contents for AM080*XV Series
Page 205: ...Samsung Electronics 5 1 5 PCB Diagram and Parts List 5 1 ASS Y PCB MAIN...
Page 208: ...PCB Diagram and Parts List 5 4 Samsung Electronics 5 2 ASS YPCBMAIN HUB AC...
Page 210: ...PCB Diagram and Parts List 5 6 Samsung Electronics ASS YPCBMAIN HUB cont DC...
Page 216: ...PCB Diagram and Parts List 5 12 Samsung Electronics 5 4 ASS YPCBFAN Model 1 FANchassis...
Page 218: ...PCB Diagram and Parts List 5 14 Samsung Electronics ASS YPCBFAN cont Model 2 FAN chassis...
Page 241: ...Cycle Diagram 7 10 Samsung Electronics 7 16 AM240 260 280 300MXVAGC...
