Samsung AVXC1H022 series Service Manual page 57

Alignment and Adjustments
5. DVM HR2 2 Series
Error No.(Ordered by priority)
✳ Others are same with DVM Plus 2
3-13
MCU sol. valve failure
Indoor unit connected with confluence kit without continuity
Indoor unit connected with confluence kit and setting address was overlapped more than 3
MCU address not matched with indoor unit address
MCU address not matched with indoor unit address
Rotary switch for indoor unit address in MCU was over lapped among MCUs
DIP switch for indoor unit setting was ON position even though indoor unit was not connected
DIP switch for indoor unit setting was OFF position even though indoor unit was connedcted
Setting number of indoor in MCU PCB is larger than installed indoors
Error Meaning
Samsung Electronics