Samsung AM072BXV Series - MCU Branch Part Setup Error - Non-Installed Address Setup

Samsung Electronics 90
Troubleshooting
4-3-10 MCU branch part setup error – non-installed address setup
1. How to check
Find an MCU that is composed as the following picture to carry out assembly of branch part again. After completing the re-setting,
press K3 button on the button to reset or turn it off to restart.
MCU BOX #0
MCU PCB
OFF
MCU 주소 설정
ON
실내기
실내기 주소
분자구 사용 설정
4 4 2 1 5 6
0
분자구 A
4
B
C D E
1
F
6
MCU BOX #0
Outdoorunit
PCB
MCU PCB
OFF
MCU address setup
ON
Indoor unit
Indoor unit address
Branch part use setup
4 4 2 1 5
5 1
6
0
Branch A
4
B C D E
5
F
6
MCU BOX #1
MCU PCB
OFF
ON
1 3 7 9 0 0
1
Branch A B D E
07
F
1
MCU BOX #0
Outdoorunit
PCB
MCU PCB
OFF
MCU address setup
Indoor number setup MCU number setup
Indoor unmber setup MCU unmber setup
ON
Indoor unit
Indoor unit address
Branch part use setup
4 4 2 1 5
5 1
6
0
Branch A
4
B C D E
5
F
6
MCU BOX #1
MCU PCB
OFF
ON
1 3 7 9 0 0
1
Branch A B D E
07
F
2
C
C
Branch
Indoor unit
Indoor unit address
MCU
address setup
Branch part use setup
Outdoor unit
display
Indoorunit
display
Duct, Cassette (1/2 Way),Console, Celing Cassette (4/Mini4 Way) Wall-mounted (NeoForte)
Operation Defrost Timer Fan
Filter/
MPI
Operation Defrost Timer Filter Operation Timer Turbo 24℃ 27℃
× × ◑ ◑ × × ◑ ◑ × × × ◑ ◑ ×
※ ● : ON ◑: Flash ×: OFF
Judgment
Method
• If there is an indoor unit that is not installed among MCU registered indoor units
Cause of
problem
• Indoor unit, with the assigned address on MCU, not installed.
4-3 Appropriate Measures for Different Symptom (cont.)