Troubleshooting
Samsung Electronics9-77
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Outdoor unit display
Indoor unit display
Judgment method
Causes - The number of indoor unit connected to outdoor unit is bigger than that of MCU
Check the number of indoor units
installed in MCU
DIP switchs for indoor unit in
MCU are correct?
Set the DIP switch for indoor unit
again according to connected
indoor units
Check the other MCU with same method
No
Yes
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