Huawei LUNA2000-2.0MWH-1H0 - Page 157

Alar
m ID
Alarm
Name
Severit
y
Possible Causes Troubleshooting Suggestions
3026 The
internal
fan of the
cluster
controller
is faulty.
Warnin
g
Reason ID = 1–2
The internal fan is
short-circuited, the
power supply is
insucient, or the fan is
damaged.
1. Locate the input and output circuit
breakers associated with [ESC-No].
2. Send a shutdown command, turn o
the battery switch and then the bus
switch, and wait for 5 minutes.
3. Turn on the battery switch and then
the bus switch to deliver a startup
command.
4. If the alarm persists, contact your
dealer or technical support.
3040 The
cluster
controller
bus is
incorrectl
y
connected
.
Major Cause ID = 1
The output buses in the
1C scenario are not
connected in parallel.
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 and then the bus
switch, and wait for 5 minutes.
4. Check the cable connection to the
bus side of the power control module
by referring to the quick installation
guide.
5. After verifying that the battery power
cable is correctly connected, turn on
the battery switch and bus switch in
sequence to send a startup
command.
6. If the alarm persists, contact your
dealer or technical support.
3053
The
external
fan of the
cluster
controller
is faulty.
Warnin
g
Cause ID = 1-3
The external fan is
short-circuited, the
power supply is
insucient, the fan is
damaged, or the air
channel is blocked.
1. Locate the input and output circuit
breakers associated with [ESC-No].
2. Send a shutdown command, turn o
the battery switch and then the bus
switch, and wait for 5 minutes.
3. Check whether the fan blades are
damaged. If yes, clear the foreign
matter around the fan, and install a
new fan.
4. Turn on the battery switch and then
the bus switch 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. 149