Samsung AM072FXVAFH series - MCU Branch Part Setup Error - Connect more Indoor Units than What Is Actually Set up in MCU

Troubleshooting
4-46 Samsung Electronics
4-4-15 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
tOccurs when the number of indoor unit installed exceeds that setting in MCU
Outdoor unit display
Indoor 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.
tExample of MCU indoor unit setting DIP switch error
ex) Indoor unit No.5 was connected to branch part C, but DIP switch No.3 (branch part C) is off.
Outdoor Unit PCB
Quantity of
Indoor
Quantity of
MCU
Indoor Unit: 4 MCU: 1
Duct, Cassette (1/2 Way),Console, Celing Cassette (4/Mini4 Way) Wall-mounted (NeoForte)
Operation
Defrost TimerFan Filter/MPI
Operation
Defrost Timer Filter
Operation
TimerTurbo
24℃ 27℃
××◑◑
×
×◑◑×××◑◑×
※ ● : ON ◑ : Flash ×: OFF
Branch A