Huawei SUN2000 User Manual

SUN2000-(3.8KTL-11.4KTL)-USL0
User Manual
8 System Maintenance
Issue 01 (2018-05-21)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
143
Figure 8-13 Manually clear alarm
Table 8-2 Common alarms and troubleshooting measures
Alarm
ID
Alarm
Name
Alarm
Severity
Alarm
Action
Possible Cause
Suggestion
2002
DC Arc
Fault
(ADMC
alarm, need
to be
manually
cleared)
Major
Shutdown,
alarm
reporting
(reset alarm)
The PV string power
cable arcs or is in poor
contact.
You are advised to check
whether the string circuit
arcs or is in poor contact.
After the fault is rectified,
manually clear the alarm
and then start again.

Cause ID 1: string 1

Cause ID 2: string 2
2021
AFCI
Self-Check
Failure
Major
Shutdown,
alarm
reporting
(reset alarm)
Cause ID = 1–2
The AFCI self-check
fails.
Turn off the AC output
switch and DC input switch,
wait 5 minutes, and then
turn them on again. If the
fault persists, contact your
installer.
2032
Grid
Failure
Major
Shutdown,
alarm
reporting, and
automatic
recovery after
the fault is
rectified
Cause ID = 1

The power grid
experiences an
outage.

The AC circuit is
disconnected or the
AC switch is set to
the OFF position.
1. Check the AC voltage.
2. Check that the AC
power cable is
connected and that the
AC switch is set to the
ON position.

Huawei SUN2000 Specifications

General

Model	SUN2000
Efficiency	Up to 98.6%
MPPT	Yes
Max Input Voltage	1100V
Number of MPPTs	2
Operating Temperature	-25°C to +60°C
Protection Level	IP65
Communication	RS485
Nominal Output Voltage	230V/400V