Sungrow ST2752UX, Инструкция по эксплуатации и обслуживанию

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70
No.
Alarm
name
Common causes Corrective measures
3
LC-BSC
Comm
Alarm.
One or more BSCs
under the system
communicating with
the LC is abnormal.
• Check that the LC and SMU
networks are on a LAN under the
system.
• Check the communication lines
between the LC and all SMUs
under the system.
4
LC-SPD
Alarm
Alarm for SPD in LC
control box.
• Check the SPD for abnormalities.
• Check the auxiliary contact wiring
of the SPD for abnormalities.
The corrective measures mentioned above are for reference only. In case of any
fault, please contact the Customer Service Center of SUNGROW for professional
solutions.
5.3.4 FSS Fault List
table 5-7 FSS Fault List
No. Fault name Common causes Corrective measures
1
Module
invalid
answer
The modules or
detectors do not
respond, or these
devices do not work,
or are not connected
correctly.
• Check that the detector is working
correctly connected and addressed
on the signal return line.
2
Module
address
code
duplication
There are multiple
detectors or modules
of the same type set to
the same address.
• Correct the incorrect address.
3
Detector low
threshold
The reading inside the
detector chamber is
too low and the
detector does not work
properly.
• Replace the detector with a new
one.
4
Anomaly
detection by
detectors
The detector is dirty
and needs cleaning.
• Cleaning the detector.
5 Troubleshooting Operation & Maintenance Instruction