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Fault codes › Huawei › Huawei SUN2000-25KTL-US / SUN2000-30KTL-US

Huawei SUN2000-25-30KTL-US 326

Code
326
Shown as
Electrical Grounding Fault
Vendor severity
Major
Page
101
ID
fc:huawei-sun2000-25-30ktl-us-326
IRI
https://solarlattice.org/kb/fc/huawei-sun2000-25-30ktl-us-326
Status
active
Also known as
326, Huawei 326, Electrical Grounding Fault
Category
Inverters
Class fault drafted · lead
Production stops drafted · lead
Clears not stated

Decoded

Reports missing ground connection, abnormal neutral line; do: grounding conductor check, AC connection check.

What can be behind Missing ground connection

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

What can be behind Abnormal neutral line

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

CPS
CPS SCA50-100K-T Fault7030
Fronius
Fronius Galvo 448, Fronius Primo 448, Fronius Symo 448
Huawei
Huawei SUN2000-100KTL-USH0 2061, Huawei SUN2000-45KTL-US-HV-D0 326
SMA
SMA SBSE-US-50 1101, SMA SBSE-US-50 901, SMA CORE1-US 901, SMA STP-TL-US 901, SMA STP-X-US 1101

Same code in other families

Claims

defined_in

c1 drafted · lead Huawei SUN2000-25-30KTL-US User Manual

has_event_class

c2 drafted · lead Fault (device stops or needs intervention)

from the Type column

reports

c3 drafted · lead Missing ground connection

c4 drafted · lead Abnormal neutral line

review note: support check: partial - A neutral wire not connected is a listed cause, but 'abnormal neutral line' is only loosely stated and the alarm…

mitigated_by

c5 drafted · lead Grounding conductor check

c6 drafted · lead AC connection check

Neutral wire connection check; isolation transformer required if PV strings are grounded

review note: support check: partial - Neutral wire check and isolation transformer for grounded PV strings are stated, but the measure concerns the output-side transformer and…

has_production_effect

c7 drafted · lead Trip (production stops)

applies_to

c8 drafted · lead Huawei SUN2000-25KTL-US / SUN2000-30KTL-US

Data