Alarm
ID
Alarm
Name
Alarm
Severit
y
Possible Cause Suggestion
3826 Combus
tible
Gas
Alarm
Major Cause ID = 1
1. The safety valve of
the lithium battery
is open, and
combustible gas is
leaked.
2. Lithium battery
thermal runaway
has occurred.
1. Remotely monitor the system for 30
minutes to check whether other
exceptions (such as abnormal
temperature, abnormal battery
voltage, abnormal battery
temperature, and exhaust fan startup)
occur. If yes, ensure that the ESS is
shut down. During remote monitoring,
do not approach the battery cabin or
open the cabin doors.
2. If no exception is found during the
remote monitoring, assign trained
personnel to the site and observe the
system for 30 minutes from a safe
distance. If there is smoke or
re,
remotely power o the system,
evacuate onsite personnel as soon as
possible, and call the
re emergency
service.
3. If no exception is found during remote
monitoring and onsite observation,
manually clear the alarm. If the alarm
clearance fails, contact your technical
support.
3827
Ambient
Temper
ature
High
Major Cause ID = 1
The ambient
temperature in the
battery cabin is too
high.
1. Check whether the air conditioners in
the battery cabin are faulty.
2. Check whether the doors of the
battery cabin are completely closed.
3. After the battery cabin temperature
and battery rack temperature drop to
below 58°C, manually clear the alarm.
If the alarm persists, contact your
technical support.
3828 Condens
ation
Risk
Minor Cause ID = 1
Condensation risk
exists in the battery
cabin.
1. This alarm indicates that the cabin
needs to be dehumidied. Ensure that
the temperature control mode is set to
automatic.
2. If the alarm persists for more than 30
minutes, check whether the air
conditioner in the battery cabin is
normal and whether the cabin doors
are completely closed.
LUNA2000-200KWH-2H1 Smart String ESS
User Manual 13 Alarm Reference
Issue 03 (2023-03-30) Copyright © Huawei Digital Power Technologies Co., Ltd. 157
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