Huawei LUNA2000-200KWH-2H1 - Page 40

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
occurs.
1. Monitor the ESS remotely for 30
minutes to check whether other
exceptions (such as abnormal ambient
temperature, battery voltage, battery
temperature, and exhaust fan startup)
occur. If yes, shut down the ESS.
During remote monitoring, do not
approach the battery cabin or open
the cabin door.
2. If no exception is found during the
remote monitoring, send 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 the onsite personnel as soon
as possible, and call the
re
emergency number.
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.
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 dehumidied. Ensure that
the cooling 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
faulty or the cabin doors are
completely closed.
3829 Temper
ature
and
Humidit
y Sensor
Malfunc
tion
Minor Cause ID = 1
There are too many
faulty temperature and
humidity sensors in the
battery cabin.
1. Repair the temperature and humidity
sensor based on the alarm.
2. On the maintenance screen, check
that the temperature and humidity
sensor is correctly connected.
LUNA2000-200KWH-2H1 Smart String ESS
Maintenance Manual 3 Alarm Reference
Issue 02 (2023-02-28) Copyright © Huawei Digital Power Technologies Co., Ltd. 34