Huawei SUN2000-3KTL-M1 Series User Manual page 28

SUN2000-(3KTL-10KTL)-M1 Series
User Manual
Category
Communica
tions
indicator
Device
replacement
indicator
Issue 17 (2024-01-12)
Status
Blinking Off
orange
slowly
Blinking Blinking orange slowly
orange
slowly
Off Off
Blinking -
red at
short
intervals
(on for
0.2s and
then off
for 0.2s)
- Blinking red at short
intervals
Steady red Steady red
LED3
Blinking green at short intervals (on
for 0.2s and then off for 0.2s)
Blinking green at long intervals (on
for 1s and then off for 1s)
Off
LED1 LED2
Steady red Steady red
Copyright © Huawei Technologies Co., Ltd.
Description
The DC is on, and the
SUN2000 has no output
in the off-grid mode.
The SUN2000 is
operating in the overload
in backup mode.
Both the DC and AC are
off.
DC environment alarm.
For example, the input
voltage of the PV string is
high, the PV string is
reversely connected, or
the insulation resistance
is low.
AC environment alarm.
For example, the power
grid is undervoltage,
overvoltage,
overfrequency, or
underfrequency.
Fault
-
Communication is in
progress. (When a mobile
phone is connected to
the SUN2000, the
indicator blinks green at
long intervals, indicating
that the phone is
connected to the
SUN2000.)
Mobile phone access
No communication
LED3 –
Steady red The SUN2000 hardware
is faulty and the
SUN2000 needs to be
replaced.
2 Overview
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