Huawei SUN2000-2KTL-L1 User Manual page 96

SUN2000-(2KTL-6KTL)-L1
User Manual
Alarm ID Alarm
Name
2068 Battery
Abnorm
al
2070 Active
Islanding
Issue 03 (2020-07-20)
Alarm Possible Causes
Severity
Minor The battery is faulty,
disconnected, or the
battery circuit breaker is
OFF when the battery is
running.
Cause ID = 1–4
● 1: The battery
communication is
abnormal.
● 2: The battery port
experiences overcurrent.
● 3. The battery enabling
cable is not properly
connected.
● 4: The battery port
voltage is abnormal.
Major Cause ID = 1
When the power grid
experiences an AC power
outage, the SUN2000
detects islanding
proactively.
Copyright © Huawei Technologies Co., Ltd.
8 System Maintenance
Troubleshooting
1. If the battery fault indicator is
steady on or blinking, contact
the battery supplier.
2. Check that the battery
enabling/power/
communications cable is
correctly installed, and that
the communications
parameters are the same as
the SUN2000 RS485
configurations.
3. Check that the auxiliary
power switch on the battery
is set to ON.
4. Send a shutdown command
on the app. Turn off the AC
output switch, DC input
switch, and battery switch.
Then turn on the battery
switch, AC output switch, and
DC input switch in sequence
after 5 minutes.
5. If the fault persists, contact
your dealer or Huawei
technical support.
Check that the grid connection
voltage of the SUN2000 is
normal.
90