Mcu Branch Part Setup Error-Non-Installed Address Setup - Samsung AM080FX A Series Service Manual

Troubleshooting
4-3 Appropriate Measures for Different Symptom (cont.)
4-3-10 MCU branch part setup error – non-installed address setup
Outdoor unit
display
Duct, Cassette (1/2 Way),Console, Celing
Operation Defrost Timer Fan
Indoorunit
display
×
※ ●: ON ◑: Flash ×: OFF
Judgment
• If there is an indoor unit that is not installed among MCU registered indoor units
Method
Cause of
• Indoor unit, with the assigned address on MCU, not installed.
problem
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.
Samsung Electronics
Indoor unit
Filter/
Operation Defrost Timer Filter Operation Timer Turbo 24℃
MPI
× ◑ ◑ ×
MCU BOX #0
OFF
4 4
Branch
분자구 A B
Indoor unit 4
실내기
Outdoorunit
PCB
Indoor number setup MCU number setup
MCU address setup
MCU BOX #0
MCU PCB
ON
OFF
4 4 2 1 5
Indoor unit address
Branch A B C D E
4 5
Outdoorunit
PCB
Indoor unmber setup MCU unmber setup
Cassette (4/Mini4 Way)
× ◑ ◑ ×
MCU
MCU 주소 설정
address setup
MCU PCB 0
ON
Branch part use setup
분자구 사용 설정
2 1 5 6
Indoor unit address
실내기 주소
C D E
1
5 1 1
MCU BOX #1
MCU PCB
0
Branch part use setup
OFF
6 1 3
F Branch A B
6
5 1 2
Wall-mounted (NeoForte)
× × ◑
F
6
1
ON
7 9 0 0
C D E F
7 0
27℃
◑ ×
165