Alarm
ID
Alarm Name Alarm
Severity
Possible Causes Troubleshooting
2013 Abnormal
string power
Warning 1. The PV string is shaded
for a long time.
2. The PV string is aged
abnormally.
Cause ID 1–4: PV strings 1–
4
1. Check whether the PV
string current is
obviously lower than the
currents of other PV
strings.
2. If the PV string current is
obviously low, check
whether the PV string is
shaded.
3. If the PV string is clean
and not shielded from
sunlight, check whether
any PV module is faulty.
SUN2000-4.95KTL-JPL1
User Manual 8 Maintenance
Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd. 73
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