Huawei LUNA2000-2.0MWH Series - Page 194

Alarm
ID
Alarm
Name
Severity Possible Cause Suggestion
Cause ID = 3
The ambient
temperature of the
control unit cabin is too
high, which triggers
system shutdown.
1. Check whether the air
conditioners in the control unit
cabin are faulty.
2. Check whether the doors of the
control unit cabin are completely
closed.
3. After the control unit cabin
temperature drops to below 58°C,
manually clear the alarm. If the
alarm persists, contact your
technical support.
3828 Condensat
ion 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 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.
Cause ID = 2
Condensation risk exists
in the control unit cabin.
1. This alarm indicates that the
cabin needs to be dehumidied.
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 control unit
cabin is normal and whether the
cabin doors are completely closed.
3829 All T/H
Sensors
Faulty
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.
Cause ID = 2
There are too many
faulty temperature and
humidity sensors in the
control unit cabin.
3830 Temperatu
re and
Humidity
Control
Major Cause ID = 1
There are too many
faulty air conditioners in
the battery cabin.
1. Repair the air conditioner based
on the alarm.
2. On the maintenance screen,
check that the air conditioner is
correctly connected.
LUNA2000-2.0MWH Series Smart String ESS
User Manual 10 Alarm Reference
Issue 08 (2022-11-15) Copyright © Huawei Technologies Co., Ltd. 184