Huawei LUNA2000-2.0MWH-1H0 User Manual page 163

LUNA2000-2.0MWH-1H0, 2H0 Smart String ESS
User Manual
Alar Alarm
m ID Name
3046 Battery
module
low
temperatu
re
3047 Battery
module
undervolt
age
Issue 02 (2021-11-15)
Severit Possible Causes
y
Major Reason ID = 1–2
The ambient
temperature is too low
and charging and
discharging protection is
triggered.
Major Reason ID = 1–2
The battery module
voltage or
electrochemical cell
voltage is too low.
Cause ID = 3
The battery module
voltage or
electrochemical cell
voltage is too low.
Copyright © Huawei Technologies Co., Ltd.
Troubleshooting Suggestions
1. Determine the position of the input
and output circuit breakers
associated with the ESC
corresponding to [ESR-CabinetNo
ESM-SlotNo].
2. Send a shutdown command, turn off
the battery switch, bus switch, and
AC power supply switch, and wait for
5 minutes.
3. Check whether the ambient
temperature of the installation
position exceeds the lower limit. If
the ambient temperature is too low,
improve the installation environment
or check whether the air conditioner
is running properly.
4. 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.
1. If charging is allowed, [Energy
storage unit-CabinetNo battery
expansion module-SlotNo] can be
charged with a current greater than
35 A when the inverter is running.
2. If the alarm persists after the battery
is charged for 1 hour, contact your
dealer or Huawei technical support.
1. Determine the position of the input
and output circuit breakers
associated with the ESC
corresponding to [ESR-CabinetNo
ESM-SlotNo].
2. Send a shutdown command, turn off
the battery switch, bus switch, and
AC power supply switch, and wait for
5 minutes.
3. Turn on the AC power supply switch,
battery switch, and bus switch in
sequence to deliver a startup
command.
4. If the alarm persists, contact your
dealer or technical support.
10 Alarm Reference
155