Huawei LUNA2000-2.0MWH-1H0 User Manual page 149

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