Huawei LUNA2000-2.0MWH-1H0 - Page 149

Alar
m ID
Alarm
Name
Severit
y
Possible Causes Troubleshooting Suggestions
Cause ID=2
Condensation risk exists
in the power distribution
compartment.
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.
3829 All T/H
Sensors
Faulty
Minor Cause use ID=1
There are too many faulty
temperature and
humidity sensors in the
battery cabin.
1. Repair T/H Sensors based on the
alarm.
2. On the maintenance screen, check
that the T/H Sensor is correctly
connected.
Cause ID=2
There are too many faulty
temperature and
humidity sensors in the
control unit cabin.
3830 Temperat
ure and
Humidity
Control
Malfuncti
on
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.
Cause ID=2
There are too many faulty
air conditioners in the
control unit cabin.
3848 T/H
Control
Mode:
Manual
Minor Cause ID=1
The temperature and
humidity control mode is
set to manual.
After the commissioning is complete,
set the temperature and humidity
control mode to automatic.
3833 Rectier
Fault
Major Cause ID=1-6
The rectier hardware is
faulty.
1. Replace rectier.
2. If the fault persists, contact your
dealer or Huawei technical support.
3834 Rectier
Protectio
n
Major Cause use ID=1-6
1. The AC voltage is
abnormal.
2. The ambient
temperature is too
high.
1. Check the AC input voltage.
2. Check that the air vent of rectier is
not blocked and the ambient
temperature is within the normal
range.
3. If the fault persists, contact your
dealer or Huawei technical support.
LUNA2000-2.0MWH-1H0, 2H0 Smart String ESS
User Manual 10 Alarm Reference
Issue 02 (2021-11-15) Copyright © Huawei Technologies Co., Ltd. 141