Trou
b
l
e
shootin
g
S
a
msun
g
El
e
c
troni
c
s
4-109
4-4-51 Input / Output
C
urrent sensor error
Out
d
oor unit
d
ispl
a
y
INVERTER1 PCB(Input Curr
e
nt s
e
nsor)
INVERTER
2
PCB(Input Curr
e
nt s
e
nsor)
INVERTER1 PCB(Output Curr
e
nt s
e
nsor)
INVERTER
2
PCB(Output Curr
e
nt s
e
nsor)
OUTDOOR FAN PCB (FAN1 Output Curr
e
nt s
e
nsor)
OUTDOOR FAN PCB (FAN
2
Output Curr
e
nt s
e
nsor)
Ju
d
g
m
e
nt M
e
tho
d
∙
S
e
nsor Output
de
t
e
c
tion : Ju
d
g
ed
a
s
a
n
e
rror i
f
th
e
de
t
e
c
t
ed
v
a
lu
e
is Mor
e
th
a
n 4.5V or l
e
ss th
a
n 0.5V
C
a
us
e
o
f
pro
b
l
e
m
∙ Input volt
a
g
e
de
f
e
c
tiv
e
∙ PCB volt
a
g
e
s
e
nsin
g
c
ir
c
uit
de
f
e
c
tiv
e
Pow
e
r O
ff
R
e
pl
a
c
e
Inv
e
rt
e
r PCB
R
e
pl
a
c
e
F
a
n PCB
Y
e
s
No
Is Pow
e
r
c
onn
e
c
tion
a
cc
ur
a
t
e
ly
c
onn
e
c
t
ed
?
E485 or E
3
85?
E468 or E
3
68?
E49
3
or E
3
9
3
?
Pow
e
r C
a
b
l
e
r
e
-
c
onn
e
c
tion
1. How
to
c
h
e
c
k
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...
