T
roub
l
eshooting
Sa
m
sung
El
ectronics
4-
3
1
4-3-14 MCU branch part setup error – Connect an Indoor unit to a branch part not being used
1
.
H
o
w
to
chec
k
Chec
k
the
actua
l
use
of
the
branch
part.
If
it
is
used
,
turn
on
the
Dip
s
w
itch
for
branch
part
setup.
After
co
m
p
l
eting
resetting
,
press
the
outdoor
unit
'
s
K
3
button
to
reset
or
turn
off
to
restart.
MCU BOX #1
MCU
PCB
OFF
MCU
add
r
e
ss s
e
tup
ON
In
d
oor unit
In
d
oor unit
add
r
e
ss
Br
a
n
c
h p
a
rt us
e
s
e
tup
4
4
2
1
5
6
0
Br
a
n
c
h A
4
B
C
D
E
5
F
6
2
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 2
4
℃
27
℃
×
×
◑
◑
×
×
◑
◑
×
×
×
◑
◑
×
※ ●
:
ON
◑
:
F
l
ash
×:
OFF
Criteria
•
Occurs
w
hen
MCU
P
I
PE
is
turned
off
, y
et
an
indoor
unit
is
registered
Cause
of
prob
l
e
m
•
Indoor
unit
connection
to
the
unused
branch
part
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...