LUNA2000-200KWH-2H1 Smart String ESS
User Manual
Copyright © Huawei Technologies Co., Ltd.
Battery
Terminal
Overtemper
ature on
Rack
Controller
Cause ID = 1–3
The battery terminal is
not securely connected.
1. Locate the input and output circuit
breakers associated with [ESC-No].
2. Issue a shutdown command, turn off
the switch on the battery side and then
the switch on the bus side, and wait
for 5 minutes.
3. Check whether the torque of the bolts
on the battery side of the power
control module meets the
requirements by referring to the
DCDC replacement section in the
maintenance manual of the product.
4. After checking that the battery power
cable is correctly connected, turn on
the switch on the battery side and then
the switch on the bus side, and issue a
startup command.
5. If the alarm persists, contact your
dealer or technical support.
Bus
Terminal
Overtemper
ature on
Rack
Controller
Cause ID = 1–3
The bus terminal is not
securely connected.
1. Determine the positions of the input
and output circuit breakers associated
with [ESC-No] and the AC input power
switch of the PSU.
2. Issue a hibernation command to all
ESRs, and turn off the switch on the
battery side, the switch on the bus side,
and the AC input power switch of the
PSU. Then wait for 5 minutes.
3. Check whether the torque of the bolts
on the bus side of the power control
module meets the requirements by
referring to the DCDC replacement
section in the maintenance manual of the
product.
4. After checking that the battery power
cable is correctly connected, turn on the
AC input power switch of the PSU, the
switch on the battery side, and the switch
on the bus side in sequence, and issue a
running command.
5. If the alarm persists, contact your
dealer or technical support.
Rack
Controller
Version
Mismatch
Cause ID = 1, 2
The update failed.
1. Version mismatch on [ESC-No]. Please
update.
2. If the update fails multiple times,
contact your dealer or technical support.
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