Troubleshooting
4-62
Samsung Electronics
4-4-36 MCU branch part setup error – Connect more Indoor units than what is actually set up in MCU
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Criteria
Cause of problem
t0DDVSTXIFOUIFOVNCFSPGJOEPPSVOJUTJOTUBMMFEFYDFFETUIBUSFHJTUFSFEJO.$6
Outdoor unit display
1. How to check
Check the number of indoor units connected to MCU then readjust the switch for the number of units
After completing resetting, press the outdoor unit's K3 button to reset or turn off to restart.
Indoor unit display
MC
U
BO
X
#
0
O
u
tdoor
u
nit
PCB
MCU
PCB
O
FF
MC
U
address
set
u
p
I
ndoor
n
umb
er
set
u
p MC
U
n
umb
er
set
u
p
ON
I
ndoor
u
nit
address
Bran
c
h
part
u
se
set
u
p
1
2
2
1
8
6
1
6
0
Bran
c
h
A
1
B
2
C
D
E
8
F
6
MC
U
BO
X
#
1
MCU
PCB
O
FF
ON
1
3
7
9
0
0
1
Bran
c
h
A
B
D
E
0
7
F
2
C
×(Operation)
◑
(Timer)
◑
(Fan)
◑
(Filter) ×(Defrost)
Содержание AM009FN1DCH/AA
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Страница 216: ...PCB Diagram and Parts List Samsung Electronics 5 13 5 1 6 Duct type Super 1 2 3 5 4 6 9 10 11 12 13 14 15 16 7 8...
Страница 218: ...PCB Diagram and Parts List Samsung Electronics 5 15 5 1 7 Celing type 1 2 3 4 5 6 7 19 18 9 10 11 12 17 15 14 13 8...
Страница 224: ...Wiring Diagram Samsung Electronics 6 3 6 1 3 BIG Duct This Document can not be used without Samsung s authorization...
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