Mcu Branch Part Setup Error - Set As Being Used Without Connection To An Indoor Unit; Samsung Electronics - Samsung AM072FXVAFH series Service Manual

Troubleshooting
4-4-13 MCU branch part setup error – Set as being used without connection to an Indoor unit
Outdoor unit display
Indoor unit display
Criteria
Cause of problem
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.
4-44
Duct, Cassette (1/2 Way),Console, Celing
Operation Defrost Timer Fan
× × ◑ ◑
※ ● : ON ◑ : Flash ×: OFF
MCU BOX #1
1
Branch A
Cassette (4/Mini4 Way)
Filter/MPI Operation Defrost Timer
× ◑ ◑
×
address on MCU
MCU PCB 1
ON
OFF
3 7 9 0 0
B C D E
0
Wall-mounted (NeoForte)
Filter Operation Timer Turbo
× × × ◑
F

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