Huawei LUNA2000-2.0MWH-1H0 User Manual page 157

LUNA2000-2.0MWH-1H0, 2H0 Smart String ESS
User Manual
Alar Alarm
m ID Name
3026 The
internal
fan of the
cluster
controller
is faulty.
3040 The
cluster
controller
bus is
incorrectl
y
connected
.
3053 The
external
fan of the
cluster
controller
is faulty.
Issue 02 (2021-11-15)
Severit Possible Causes
y
Warnin Reason ID = 1–2
g
The internal fan is
short-circuited, the
power supply is
insufficient, or the fan is
damaged.
Major Cause ID = 1
The output buses in the
1C scenario are not
connected in parallel.
Warnin Cause ID = 1-3
g
The external fan is
short-circuited, the
power supply is
insufficient, the fan is
damaged, or the air
channel is blocked.
Copyright © Huawei Technologies Co., Ltd.
Troubleshooting Suggestions
1. Locate the input and output circuit
breakers associated with [ESC-No].
2. Send a shutdown command, turn off
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.
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 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.
1. Locate the input and output circuit
breakers associated with [ESC-No].
2. Send a shutdown command, turn off
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.
10 Alarm Reference
149