Alarm
ID
Alarm
Name
Severity Possible Cause Suggestion
3802 Fire Alarm Major Cause ID = 1
Smoke or overheating is
detected in the battery
cabin.
1. Remotely monitor the system for
30 minutes to check whether other
exceptions (such as abnormal
battery voltage, abnormal battery
temperature, and abnormal
combustible gas concentration)
occur. If yes, remotely power
o the
system. 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 or onsite
observation, open the doors of the
control unit cabin and check
whether the Extinguishant Control
Panel generates an alarm. If yes,
reset the
re alarm on the
Extinguishant Control Panel. If the
re alarm reset fails, contact your
technical support.
4. If the
re alarm is reset
successfully, manually clear the
active alarm remotely. If the alarm
clearance fails, close the cabin
doors and clear the alarm 20
minutes later. If the alarm persists,
contact your technical support.
Cause ID = 2
A re has been detected
in the battery cabin.
1. Do not open the cabin doors and
evacuate onsite personnel.
2. For details, see the "Emergency
Handling Plan" section in the
maintenance manual.
3. Contact your technical support.
LUNA2000-2.0MWH Series Smart String ESS
User Manual 10 Alarm Reference
Issue 08 (2022-11-15) Copyright © Huawei Technologies Co., Ltd. 177
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