Samsung AM072FXVAFH series - Setup Error for MCU Branch Part - Setup Error for MCU Quantity Used

Troubleshooting
4-42 Samsung Electronics
4-4-11 Setup Error for MCU Branch part – Setup Error for MCU Quantity Used
Judgment Method
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Outdoor Unit Display
Indoor Unit Display
Special Cause
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1. Inspection Method : Check the Main PCB MCU quantity setting switch of the outdoor unit and check the installed MCU quantity matches.
Check whether each MCU PCB address switch was duplicated .
To use, reset by pressing the K3 button of the outdoor unit after th
e reset is completed, or reset after turning off
the power and then turn it on again.
t Example of MCU quantity setting error
ex) PCB MCU setting quantity of outdoor unit = 2 / MCU installed Quantity = 3
t&YBNQMFPG.$6BEESFTTTFUUJOHFSSPS
ex) Two among three of MCU address was set to 0
Outdoor Unit PCB
Quantity of
Indoor Unit
Quantity of
MCU
Indoor Unit: - MCU: 2
Address: 0
Address: 1
Address: 2
Outdoor Unit PCB
Quantity of
Indoor Unit
Quantity of
MCU
Indoor Unit: - MCU: 3
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