Huawei LUNA2000-2.0MWH-1H0 User Manual page 170

LUNA2000-2.0MWH-1H0, 2H0 Smart String ESS
User Manual
Alarm Alarm
ID Name
3052 AC
Auxiliary
Power
Supply
Fault of
Cluster
Controll
er
Issue 02 (2021-11-15)
Severit Possible Causes
y
Cause ID = 2
The cable for quick
shutdown in the cluster is
incorrectly connected.
Major Cause ID = 1
1. The AC power switch
is OFF.
2. The AC power supply
module is faulty.
Copyright © Huawei Technologies Co., Ltd.
Troubleshooting Suggestions
1. If the subarray topology
identification is in progress, wait
until the subarray completes the
topology identification or exit the
topology identification.
2. Locate the input and output circuit
breakers associated with [ESC-No].
3. Send a shutdown command, turn
off 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.
1. Locate the input and output circuit
breakers associated with [ESC-No].
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 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.
10 Alarm Reference
162