Mcu Branch Part Setup Error - Overlapping Indoor Unit Address Setup - Samsung AM006JNFDCH/AA Service Manual
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- Service manual (344 pages) ,
- Service manual (344 pages) ,
- Service manual (404 pages)
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Troubleshooting
4-4-33 MCU branch part setup error – Overlapping Indoor unit Address setup
Outdoor unit display
Indoor unit display
Criteria
Cause of problem
1. How to check
Check the setup switch for the number of indoor units in MCU
After completing resetting, press the outdoor unit's K3 button to reset or turn off to restart.
4-68
×(Operation)
◑(Timer)
◑(Fan)
• Occurs when an indoor unit address setup switch in MCU has been overlapped
• Repeated indoor unit address
MCU BOX #0
4
2
Branch A
B
MCU BOX #1
4
0
Branch A
B
◑(Filter)
×(Defrost)
MCU
address setup
MCU PCB
0
ON
Branch part use setup
OFF
2
0
5
6
Indoor unit address
C
D
E
MCU
address setup
MCU PCB
1
ON
Branch part use setup
OFF
1
2
5
7
Indoor unit address
C
D
E
F
F
Samsung Electronics
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