Huawei SUN2000-8K-LC0 - Page 107

Alarm ID Alarm
Name
Alarm
Severity
Possible Causes Troubleshooting
2068 Battery
Abnorma
l
Minor ● The battery is faulty.
● Communication with the
battery is interrupted.
● The battery circuit
breaker is disconnected
during the running of
the inverter.
Cause ID = 1–5
● 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.
● 5: The battery cable
connection is abnormal.
1. If the battery fault indicator is
steady on or blinking, contact
the battery supplier.
2. Check that the battery is
enabled, the communications
cable and power cable are
connected correctly, and the
communication parameters
are consistent with the RS485
conguration on the device.
3. Check that the auxiliary
power switch on the battery
is set to ON.
4. Send a shutdown command
on the app. Turn o 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 technical
support.
2070
Active
Islanding
Major Cause ID = 1
When the power grid
experiences an AC power
outage, the device detects
islanding proactively.
Check that the voltage at the
grid connection point of the
device is normal.
2077 O-grid
output
overload
Major Cause ID = 1, 2
● The output is
overloaded or short-
circuited.
● The irradiance or battery
level is low.
1. Check whether the device
output is short-circuited.
2. Check whether the device
load conguration exceeds
the rated value.
3. If the irradiance or battery
level is low, remove some
loads.
4. After the preceding problems
are resolved, manually clear
the alarm.
SUN2000-(8K, 10K)-LC0 Series
User Manual 8 System Maintenance
Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd. 100