Trou
b
l
e
shootin
g
S
a
msun
g
El
e
c
troni
c
s
4-111
4-4-52 Outdoor Fan
PCB
Overvoltage / Low voltage error
Out
d
oor unit
d
ispl
a
y
Ju
d
g
m
e
nt M
e
tho
d
∙ DC-Link Ov
e
rvolt
a
g
e
/ Low volt
a
g
e
o
cc
urs.
C
a
us
e
o
f
pro
b
l
e
m
∙ Ch
e
c
k th
e
st
a
tus o
f
DC LINK Conn
e
c
tor
1. How to
c
h
e
c
k
ዋ͑
B
e
c
a
r
e
f
ul wh
e
n you
c
h
e
c
k DC volt
a
g
e
.(600V
d
c
װ
)
How to
c
h
e
c
k volt
a
g
e
f
rom DC LINK
c
onn
e
c
tor
d
is
c
onn
e
c
t
f
rom FAN PCB
ᐓ
Turn o
ff
th
e
MAIN Pow
e
r
ױ͑ᐔ
Dis
c
onn
e
c
t th
e
DC LINK
c
onn
e
c
tor
f
rom FAN PCB
ױ͑ᐕ͑
Turn on th
e
MAIN Pow
e
r
ױ͑ᐖ͑
Ch
e
c
k volt
a
g
e
o
f
c
onn
e
c
tor
AC Input Volt
a
g
e
S
t
a
n
da
r
d
AC Volt
a
g
e
(V
a
c
)
S
t
a
n
da
r
d
DC Volt
a
g
e
(V
d
c
)
Min. M
a
x. Min. M
a
x.
2
08~
23
0V 187
2
5
3
2
65
3
58
460V 414
506
585
715
3
80~415V
3
4
2
457
484
646
S
t
a
n
da
r
d
volt
a
g
e
r
a
n
g
e
o
f
DC
a
n
d
AC
Ch
e
c
k AC Volt
a
g
e
o
f
Pow
e
r sour
c
e
NG
OK
Ch
e
c
k AC Volt
a
g
e
o
f
th
e
Pow
e
r t
e
rmin
a
l?
[R
e
f
e
r to
S
t
a
n
da
r
d
AC Volt
a
g
e
]
OK
Ch
e
c
k DC volt
a
g
e
o
f
DC LINK
c
onn
e
c
tor
d
is
c
onn
e
c
t
f
rom FAN PCB
[R
e
f
e
r to
S
t
a
n
da
r
d
DC Volt
a
g
e
]
NG
OK
Ch
e
c
k th
e
st
a
tus o
f
DC LINK Conn
e
c
tor
R
e
pl
a
c
e
c
onn
e
c
t
ed
wir
e
R
e
pl
a
c
e
FAN PCB
NG
(I
f
th
e
volt
a
g
e
is out o
f
S
t
d
. r
a
n
g
e
)
(I
f
th
e
volt
a
g
e
is out o
f
S
t
d
. r
a
n
g
e
)
D
C
power wire (Inv.
PCB
)
D
C
power wire (Fan
PCB
)
Содержание AM072FXVAFH series
Страница 214: ...Samsung Electronics 5 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 5 PCB Diagram and Parts List 5 1 ASS Y PCB MAIN...
Страница 219: ...5 6 Samsung Electronics 5 2 ASS YPCBMAIN HUB AC 1 2 3 4 5 6 7 8 9 10 11 12...
Страница 221: ...PCB Diagram and Parts List 5 8 Samsung Electronics ASS YPCBMAIN HUB cont DC 1 1 2 3 4 5 6 7 8 9 10 11...
Страница 223: ...5 10 Samsung Electronics 4 2 3 5 8 9 7 1 6 5 3 ASSY PCB INVERTER...
Страница 225: ...5 12 Samsung Electronics ASS Y PCB INVERTER cont 4 8 10 9 7 6 11 12 13 1 2 3 5...
Страница 229: ...5 16 Samsung Electronics 5 5 ASS YPCBFAN Model 1 FANchassis 1 5 2 6 3 4...
Страница 231: ...5 18 Samsung Electronics ASS YPCBFAN cont Model 2 FAN chassis 1 7 2 8 3 4 5 9 6...
Страница 244: ...Wiring Diagram 6 15 Samsung Electronics Wiring Diagram Samsung Electronics 6 16 6 8 AM216KXVGJ6...
Страница 260: ...Samsung Electronics 7 15 7 19 AM038KXWD66 7 20 AM048 055KXWD66...
Страница 274: ...Samsung Electronics 8 13 8 3 How to check the view mode using a tact switch AM6666XV666 rX rY rZ r A type B type...