T
roub
l
eshooting
4-
2
8
Sa
m
sung
El
ectronics
4-3-11 Setup Error for MCU Branch part – Setup Error for MCU Quantity Used
1
.
Inspection
Method
:
Chec
k
the
Main
P
CB
MCU
q
uantit
y
setting
s
w
itch
of
the
outdoor
unit
and
chec
k
the
insta
ll
ed
MCU
q
uantit
y
m
atches.
Chec
k w
hether
each
MCU
P
CB
address
s
w
itch
w
as
dup
l
icated.
T
o
use
,
reset
b
y
pressing
the
K
3
button
of
the
outdoor
unit
after
the
reset
is
co
m
p
l
eted
,
or
reset
after
turning
off
the
po
w
er
and
then
turn
it
on
again.
•
Ex
a
m
p
l
e
of
MCU
q
uantit
y
setting
error
e
x) P
CB
MCU
setting
q
uantit
y
of
outdoor
unit
=
2
/
MCU
insta
ll
ed
Q
uantit
y =
3
• Ex
a
m
p
l
e
of
MCU
address
setting
error
e
x) Tw
o
a
m
ong
three
of
MCU
address
w
as
set
to
0
Outdoor
Unit
P
CB
Q
uantit
y
of
Indoor
Unit
Q
uantit
y
of
MCU
Indoor
Unit
: -
MCU
:
2
Address
:
0
Address
: 1
Address
:
2
Outdoor
Unit
P
CB
Q
uantit
y
of
Indoor
Unit
Q
uantit
y
of
MCU
Indoor
Unit
: -
MCU
:
3
Branch
Branch
Branch
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
J
udg
m
ent
Method
•
Occurs
w
hen
the
q
uantit
y
of
MCU
is
incorrect
ly
set
b
y
the
outdoor
unit.
•
Occurs
w
hen
sa
m
e
addresses
are
found
w
hen
t
w
o
or
m
ore
MCU
are
connected.
Specia
l
Cause
•
Outdoor
unit
MCU
setup
and
sa
m
e
address
errors
w
hen
connecting
t
w
o
or
m
ore
MCUs
.
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...
