Trou
b
l
e
shootin
g
S
a
msun
g
El
e
c
troni
c
s
4-11
3
4-4-54 Inverter Overheat error
Out
d
oor unit
d
ispl
a
y
(INVERTER1 PCB)
(INVERTER
2
PCB)
Ju
d
g
m
e
nt
M
e
tho
d
∙ IGBT mo
d
ul
e
int
e
rn
a
l t
e
mp
e
r
a
tur
e
:
105°C mor
e
th
a
n (E500, E400)
C
a
us
e
o
f
pro
b
l
e
m
∙ Coolin
g
Pin
a
n
d
th
e
IGBT jun
c
tion p
a
rt
a
ss
e
m
b
ly
de
f
e
c
tiv
e
.
∙ R
e
f
ri
g
e
r
a
nt
c
oolin
g
h
ea
t sink
a
n
d
r
e
f
ri
g
e
r
a
nt
pipin
g
a
ss
e
m
b
ly
de
f
e
c
tiv
e
.
∙ Ass
e
m
b
l
ed
b
olt
de
f
e
c
tiv
e
.
Both
e
n
d
r
e
sist
a
n
c
e
v
a
lu
e
s o
f
IGBT mo
d
ul
e
pin(8, 9 pin)
T
e
mp
e
r
a
tur
e
[°C] NTC [ohm]
AD [V]
10
9000
2
.58
2
0
6000
2
.
33
3
0
4000
2
.0
3
40
3
000
1.80
50
2
000
1.47
60
1600
1.
2
9
70
1
2
00
1.07
80
750
0.76
90
650
0.68
T
e
mp
e
r
a
tur
e
[°C] NTC [ohm]
AD [V]
100
500
0.55
105
450
0.51
110
3
80
0.44
1
2
0
3
00
0.
3
5
1
3
0
2
50
0.
3
0
140
2
00
0.
2
5
1. How to
c
h
e
c
k
Compl
e
t
e
Y
e
s
Y
e
s
Y
e
s
Apply th
e
h
ea
t sink
g
r
ea
s
e
a
n
d
th
e
n
r
ea
ss
e
m
b
ly.
No
Di
d
prop
e
rly
a
pply th
e
h
ea
t sink
g
r
ea
s
e
?
(B
e
tw
ee
n th
e
h
ea
t sink
a
n
d
th
e
IPM)
Y
e
s
Ti
g
ht
e
n Bolt(
Sc
r
e
w)
R
e
mov
e
f
or
e
i
g
n o
b
j
e
c
ts
a
n
d
a
pply th
e
h
ea
t
sink
g
r
ea
s
e
. An
d
th
e
n r
ea
ss
e
m
b
ly
No
No
Is th
e
b
olt o
f
th
e
h
ea
t sink
f
ully ti
g
ht
e
n
ed
?
Di
d
c
h
e
c
k th
e
f
or
e
i
g
n o
b
j
e
c
ts
b
e
tw
ee
n th
e
h
ea
t
sink
a
n
d
IPM?
R
e
pl
a
c
e
Inv
e
rt
e
r PCB.
: E500(Bottom), E400 (Top)
No
IPM (IGBT) mo
d
ul
e
pin 8, 9 : Is it norm
a
lly
b
oth
e
n
d
r
e
sist
a
n
c
e
v
a
lu
e
?
(R
e
f
e
r to t
a
b
l
e
1)
Pow
e
r O
ff
Goo
d
No Goo
d
IGBT mo
d
ul
e
pin 8, 9
Gr
ea
s
e
S
e
rvi
c
e
Co
de
: DB81-0
2
48
3
A
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...