Huawei SUN2000-43KTL-IN-C1 User Manual

SUN2000-43KTL-IN-C1
User Manual
8 Maintenance
Issue 07 (2018-05-06)
Copyright © Huawei Technologies Co., Ltd.
88
Ala
rm
ID
Alarm
Name
Alarm
Severit
y
Possible Cause
Suggestion
321
Cabinet
Overtem
perature
Major
Cause ID = 1

The inverter is installed in
a place with poor
ventilation.

The ambient temperature
exceeds the upper
threshold.

The internal fan works
abnormally.
1. Check the ventilation and ambient
temperature of the SUN2000 installation
position.
2. If the ventilation is poor or the ambient
temperature exceeds the upper threshold,
improve the ventilation and heat
dissipation.
3. If the ventilation and ambient temperature
both meet requirements, contact Huawei
technical support.
322
Abnorma
l SPI
Commun
ication
Major
Cause ID = 1
An unrecoverable fault occurs
on a circuit inside the
SUN2000.
Turn off the AC output switch and DC input
switch. Then turn on the AC output switch
and DC input switch after 5 minutes. If the
fault persists, contact Huawei technical
support.
326
Abnorma
l
Groundin
g
Major
Cause ID = 1

The neutral wire or PGND
cable does not connect to
the inverter.

The SUN2000 output side
does not connect to an
isolation transformer when
the PV string output is
grounded.
1. Check that the neutral wire or PGND cable
properly connects to the inverter.
2. If the PV string output is grounded, check
that the SUN2000 output side connects to
an isolation transformer.
400
System
Fault
Major
Cause ID = 1/3/21/23/27
An unrecoverable fault occurs
on a circuit inside the
SUN2000.
Turn off the AC output switch and DC input
switch. Then turn on the AC output switch
and DC input switch after 5 minutes. If the
fault persists, contact Huawei technical
support.
410
Abnorma
l
Auxiliary
Power
Major
Cause ID = 4
The sampling control board
has an abnormal voltage,
which may be caused by the
following:

The internal power chip of
the sampling control board
is faulty.

The detection circuit
becomes faulty.
1. When the alarm is generated, the inverter
shuts down automatically. When the fault
is rectified, the inverter starts
automatically.
2. If the alarm occurs repeatedly, contact
Huawei technical support.
504
Software
Version
Unmatch
Minor
Cause ID = 1/2/3
During inverter software
upgrade, the version of the
software loaded is incorrect.
Check whether you have performed a
software upgrade recently. If yes, upgrade the
software to the correct version again.

Huawei SUN2000-43KTL-IN-C1 Specifications

General

Brand	Huawei
Model	SUN2000-43KTL-IN-C1
Category	Inverter
Language	English