Huawei SUN2000 Series Quick Manual page 12

2. Fault Code
Fault
Fault Name
Code
Faulty Power
2067
Collector
Battery
2068
Abnormal
DDC_Battery
1
Over Voltage
DDC_Battery
2
Over Current
DDC_Link
3
Over Voltage
DDC_Link
4
Over Current
DDC_Over
5
Temperature
DDC_BMS_
6
Comm_Err
DDC_INV_C
7
omm_Err
DDC_Link
Over
8
Voltage_CB
Open
Possible Cause
Cause ID = 1

In Grid Connection with Zero
Power mode, the power
collector communication is
interrupted.
 In Maximum Use of Self-
Produced Power mode, the
power collector communication
is interrupted.
Cause ID = 1
 Communication abnormal
between the SUN2000 and
battery.
 RS485 wire lost
Cause ID = 2
 Over current of the battery
interface
Cause ID = 3
 Enable signal abnormal
 Enable wire lost
Cause ID = 4
 Power wiring abnormal
(reverse or lost)
DCDC Converter_Battery Over
Voltage
DCDC Converter_Battery Over
Current
DCDC Converter_Link Over
Voltage
DCDC Converter_Link Over
Current
DCDC Converter_Over
Temperature
DCDC
Converter_BMS_Comm_Err
DCDC Converter_INV_Comm_Err
DCDC Converter_Link Over
Voltage_CB Open
Suggestion
1. Check that the preset power collector
model is the same as the actual
model.
2. Check that the preset
communications parameters for the
power collector are the same as the
actual configurations.
3. Check that the power collector is
powered on and the RS485
communications cable is correctly
connected.
1. If the FAULT indicator on the front of
the battery pack is ON or flashing,
contact your installer.
2. Check that the communications cable
and power cable between the
SUN2000 and the battery are
properly connected.
3. Check that the battery auxiliary power
ON/OFF switch is turned on properly.
4. Send a shutdown command on the
app. Turn off the AC output switch,
DC input switch, and battery switch in
order, and then turn on the battery
switch, AC output switch, and DC
input switch in sequence after 5
minutes.
5. If the alarm still exists, contact your
installer.
Contact LG Chem local customer service
after setting the Aux switch to OFF.
Contact LG Chem local customer service
after setting the Aux switch to OFF.
Contact LG Chem local customer service
after setting the Aux switch to OFF.
Contact LG Chem local customer service
after setting the Aux switch to OFF.
Contact LG Chem local customer service
after setting the Aux switch to OFF.
Contact LG Chem local customer service
after setting the Aux switch to OFF.
Contact LG Chem local customer service
after setting the Aux switch to OFF.
Contact LG Chem local customer service
after setting the Aux switch to OFF.
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