Huawei LUNA2000-2.0MWH-1H0 - Page 170

Alarm
ID
Alarm
Name
Severit
y
Possible Causes Troubleshooting Suggestions
Cause ID = 2
The cable for quick
shutdown in the cluster is
incorrectly connected.
1. If the subarray topology
identication is in progress, wait
until the subarray completes the
topology identication or exit the
topology identication.
2. Locate the input and output circuit
breakers associated with [ESC-No].
3. Send a shutdown command, turn
o the battery switch, bus switch,
and AC power supply switch, and
wait for 5 minutes.
4. Check whether the quick shutdown
cable is correctly connected to the
[ESR-CabinetNo] battery cluster by
referring to the quick installation
guide of the product.
5. 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.
6. If the alarm persists, contact your
dealer or technical support.
3052
AC
Auxiliary
Power
Supply
Fault of
Cluster
Controll
er
Major Cause ID = 1
1. The AC power switch
is OFF.
2. The AC power supply
module 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 AC power supply switch, and
wait for 5 minutes.
3. Check whether the AC auxiliary
power switch of the cluster
controller is turned on or whether
the AC power supply is faulty.
4. After checking that the auxiliary AC
power supply is normal, 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.
LUNA2000-2.0MWH-1H0, 2H0 Smart String ESS
User Manual 10 Alarm Reference
Issue 02 (2021-11-15) Copyright © Huawei Technologies Co., Ltd. 162