Johnson Controls HICM008B21S - Incorrect Indoor Unit Number Setting Issues; Indoor Unit Number Duplication Resolution

SM-18003
3-31
TROUBLESHOOTING
l
The RUN indicator (red) ashes.
l
The indoor unit number (refrigerant cycle number - address number), the alarm code, the model code
1
,
the model name
1
and the number of connected indoor units are displayed on the LCD. The indoor unit
number and the alarm code are displayed on the 7-segment display of the outdoor unit PCB.
Note 1: Except for some models.
This alarm code is displayed ve minutes after power-on of the outdoor unit, if the indoor unit number set by
DSW6 and RSW1 duplicates in the same refrigerant group.
Alarm
Code
Incorrect Indoor Unit No. Setting