Troubleshooting
4-34
Samsung Electronics
4-3-13 MCU branch part setup error – Set as being used without connection to an Indoor unit
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
6
2
Outdoor unit
display
Indoorunit
display
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
Criteria
• Occurs when MCU PIPE is set as being used, yet not connected to an indoor unit
Cause of
problem
• Pipe is not installed to the indoor unit with assigned
address on MCU
Содержание DVM S AM080FXVAGH
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