Samsung AM080BXMDGH/EU - 4-3-10 MCU branch part setup error - Set as being used without connection to an Indoor unit

Troubleshooting
Samsung Electronics 4-19
4-3-10 MCU branch part setup error – Set as being used without connection to an Indoor unit
• Pipe is not installed to the indoor unit with assigned address on MCU
Criteria
Cause of problem
• Occurs when MCU PIPE is set as being used, yet not connected to an indoor unit
Outdoor unit display
Indoor unit display
1. How to check
Adjust the Dip switch that sets up the use of MCU branch part to ‘Not-Used'. After completing resetting, press the outdoor unit's
K3 button to reset or turn off to restart.
MCU BOX #0
MCU PCB
OFF
MCU
address setup
ON
Indoor unit address
Branch part use setup
4 2 2 0 5 6
0
Branch A B C D E F
MCU BOX #1
MCU PCB
OFF
MCU
address setup
ON
Indoor unit address
Branch part use setup
4 0 1 2 5 7
1
Branch A B C D E F
MCU BOX #1
MCU PCB
OFF
ON
1 3 7 9 0 0
1
Branch A B C D E
0
F
MCU BOX #1
MCU PCB
OFF
MCU address setup
ON
Indoor unit
Indoor unit address
Branch part use setup
4 4 2 1 5 6
0
Branch A
4
B
C D E
5
F
62
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