Huawei LUNA2000-2.0MWH-1H0 - Page 166

Alar
m ID
Alarm
Name
Severit
y
Possible Causes Troubleshooting Suggestions
3043 The SOH
of the
ESM is
low.
Warnin
g
Cause ID = 2
The battery module
SOH is too low.
1. Conrm the position of [ESR-
CabinetNo ESM-SlotNo] and the
corresponding input and output
circuit breakers of the ESC.
2. Send a shutdown command, turn o
the battery switch, bus switch, and
AC power supply switch, and wait for
5 minutes.
3. Replace the [ESR-CabinetNo ESM-
SlotNo] battery module by referring
to the quick installation guide of the
product.
4. Check that the power and monitoring
cables are securely connected. Turn
on the AC power supply switch,
battery switch, and bus switch in
sequence to deliver a startup
command.
5. If the alarm persists, contact your
dealer or technical support.
3041 Loose
copper
bar
connectio
n for the
battery
module
Major Cause ID = 1
The copper bar of the
battery module is
loosely connected.
1. Conrm the position of [ESR-
CabinetNo ESM-SlotNo] and the
corresponding input and output
circuit breakers of the ESC.
2. Send a shutdown command, turn o
the battery switch, bus switch, and
AC power supply switch, and wait for
5 minutes.
3. Check whether the [ESR-CabinetNo
ESM-SlotNo] battery module copper
bar is securely connected by referring
to the quick installation guide of the
product.
4. Check that the power cables are
securely connected. Turn on the AC
power supply switch, battery switch,
and bus switch in sequence to deliver
a startup command.
5. If the alarm persists, contact your
dealer or technical support.
3048 ESM
Auxiliary
Power
Supply
Fault
Warnin
g
Cause ID = 1
The relay control of the
black start auxiliary
power is faulty.
1. Locate the input and output circuit
breakers associated with [ESC-No].
2. Send a shutdown command, turn o
the battery switch, bus switch, and
LUNA2000-2.0MWH-1H0, 2H0 Smart String ESS
User Manual 10 Alarm Reference
Issue 02 (2021-11-15) Copyright © Huawei Technologies Co., Ltd. 158