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Huawei SUN2000-100KTL-USH0 2013

Code
2013
Shown as
Abnormal String Power
Vendor severity
Warning
Page
119
ID
fc:huawei-sun2000-100ktl-ush0-2013
IRI
https://solarlattice.org/kb/fc/huawei-sun2000-100ktl-ush0-2013
Status
active
Also known as
2013, Huawei 2013, Abnormal String Power
Category
Inverters
Class warning drafted · lead
Production reduced drafted · lead
Clears not stated

Decoded

Reports reduced string current; look at PV array; confirm with string current measurement, visual inspection; do: avoiding partial shading, string configuration correction.

What can be behind Reduced string current

Failure modes that present as the reported condition, and the tests that tell them apart.

Defined in

The manufacturer's own cause and corrective text is not reproduced here.

Same condition on other equipment

Huawei
Huawei SUN2000-25-30KTL-US 106-111, Huawei SUN2000-45KTL-US-HV-D0 106-113

Claims

defined_in

c1 drafted · lead Huawei SUN2000-100KTL-USH0 User Manual

has_event_class

c2 drafted · lead Warning (device continues, a condition is flagged)

from the Type column

reports

c3 verified · fact Reduced string current

verified by: review-workflowverified on: 2026-10-23

affects

c4 drafted · lead PV array

detected_by

c5 drafted · lead String current measurement

c6 drafted · lead Visual inspection

Inspect for damage when string is clean and unshaded.

mitigated_by

c7 drafted · lead Avoiding partial shading

c8 drafted · lead String configuration correction

When actual string count differs from configured count.

has_production_effect

c9 drafted · lead Derate (output reduced or limited)

applies_to

c10 drafted · lead Huawei SUN2000-100KTL-USH0

Data