Samsung AM280FNHDEH/TK - Setup Error for MCU Branch Part - Setup Error for MCU Quantity Used

Troubleshooting
4-76 Samsung Electronics
4-4-32 Setup Error for MCU Branch part – Setup Error for MCU Quantity Used
Judgment Method
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Outdoor Unit Display
1. Inspection Method : Re-check the MCU quantity setup switch from the outdoor unit.
Check for overlaps in each MCU address setup switch.
To use , reset by pressing the K3 button of the
outdoor unit after the reset is completed, or reset after turning off
the power and then turn it on again.
Indoor Unit Display
MCU BOX #0
Outdoor Unit
PCB
MCU PCB
OFF
MCU Address Setup
MCU Address
Setup
Setup for Indoor
Quantity Used
MCU Address
Setup
Setup for Indoor
Quantity Used
ON
Indoor
Unit
Indoor
Unit
Indoor Unit Address
Setup for Using
Branch Spher e
4 4 2 1 5
5 1
6
0
Branch Sphere A
4
B
C D E
5
F
6
MCU BOX #1
MCU PCB
OFF
ON
1 3 7 9 0 0
1
Branch Sphere A B D E
07
F
1
MCU BOX #0
Outdoor Unit
PCB
MCU PCB
OFF
MCU Address Setup
ON
Indoor Unit Address
Setup for Using
Branch Spher e
4 4 2 1 5
5 1
6
0
Branch Sphere A
4
B
C D E
5
F
6
MCU BOX #1
MCU PCB
OFF
ON
1 3 7 9 0 0
1
Branch Sphere A B D E
07
F
2
C
C
Special Cause
×(Operation)
(Reservation) (Blast) (Filter) ×(Defr ost)
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