Mcu Branch Part Setup Error - Non-Installed Address Setup - Samsung AM017HN1DEH/EU Service Manual

4-4-33 MCU branch part setup error – non-installed address setup
Outdoor unit display
Indoor unit display
Criteria • If there is an indoor unit that is not installed among MCU registered indoor units
Cause of problem • Indoor unit, with the assigned address on MCU, not installed.
1. How to check
Find an MCU that is composed as the following picture to carry out assembly of branch part again. After completing the re-setting,
press K3 button on the button to reset or turn it off to restart.
Samsung Electronics
MCU BOX #0
OFF
4 4
Branch A B
Indoor unit
4
MCU address setup
MCU PCB
0
ON
Branch part use setup
2 1 5 6
Indoor unit address
C D E F
1 6
Troubleshooting
357