T
roub
l
eshooting
4-
7
4
Sa
m
sung
El
ectronics
4-3-48 Overvoltage / Low voltage error
Outdoor
unit
disp
l
a
y
(
INV
ERTER1 P
CB
)
(
INV
ERTER
2
P
CB
)
J
udg
m
ent
Method
∙
Input
w
iring
error
E
MI
fuse
open.
∙
DC
-L
in
k
O
v
er
v
o
l
tage
/ L
o
w v
o
l
tage
occurs.
Cause
of
prob
l
e
m
∙
Chec
k
the
input
w
iring
∙ E
MI
Fuse
O
PE
N
1
.
Cause
of
prob
l
e
m
P
o
w
er
Cab
l
e
re
-
connection
No
Y
es
Is
P
o
w
er
connection
accurate
ly
conected
P
o
w
er
Off
Chec
k
the
connector
connection
No
Y
es
Is
E
MI
P
CB
R,
S
,T W
ire
and
T
er
m
ina
l-
b
l
oc
k
connector
accurate
ly
connected
?
R
ep
l
ace
Fuse
or
E
MI
P
CB
No
Y
es
Did
the
Fuse
is
open
No
Y
es
Is
R
eactor
accurate
ly
connected
Chec
k
the
R
eactor
connection
No
Y
es
Is
In
v
erter
P
CB
R,
S
,T W
ire
and
E
MI
P
CB
CN2
1
connector
accurate
ly
connected
?
P
o
w
er
Off
and
then
re
-
connection
R
ep
l
ace
In
v
erter
P
CB
E
MI
P
CB
R,
S
,T W
ire
and
T
er
m
ina
l-
b
l
oc
k
connector
Ty
pe
of
P
o
w
er
Source
AC
Input
Vo
l
tage
Standard
AC
Vo
l
tage
(
Vac
)
Standard
DC
Vo
l
tage
(
Vdc
)
Min.
Ma
x
.
Min.
Ma
x
.
F
20
8~
230V
1
77
265
250
37
4
J 4
60V
3
91
552
553
7
81
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...
