SM-18001-rev.1
3-33
TROUBLESHOOTING
l
The RUN indicator (red) ashes.
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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
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