Huawei LUNA2000-2.0MWH-1H0 - Fire System Faults; Air Conditioner Alarms

Alar
m ID
Alarm
Name
Severit
y
Possible Causes Troubleshooting Suggestions
Cause ID=2
The battery compartment
is on re.
1. Check whether smoke or re is
present in the battery cabin of the
container. If yes, keep away from
the container. If not, press the re
protection emergency stop button
and reset the system.
2. If the pressure of the
re cylinder is
low, replace the re cylinder.
3803 Fire
Extinguis
hing
System
Fault
Major Cause ID=1
Sensor or controller fault.
1. Check the re protection system
and the fault code.
2. Contact your dealer or Huawei
technical support.
3804 AC SPD
fault
Major Cause ID=1
AC SPD fault.
1. Check the cable connection to the
AC SPD.
2. Replace the AC SPD.
3805 Air
Condition
er
Temperat
ure High
Major Cause ID=1-13
1. The return air
temperature sensor of
the air conditioner in
the battery cabin is
faulty.
2. The high temperature
alarm threshold is not
properly set.
1. Replace the air conditioner return
air temperature sensor.
2. Re-evaluate and set the
overtemperature alarm threshold.
3. If the fault persists, contact your
dealer or Huawei technical support.
3806 Air
Condition
er
Temperat
ure Low
Major Cause ID=1-13
1. The return air
temperature sensor of
the air conditioner in
the battery cabin is
faulty.
2. The low temperature
alarm threshold is not
properly set.
1. Replace the air conditioner return
air temperature sensor.
2. Re-evaluate and set the low
temperature alarm threshold.
3. If the fault persists, contact your
dealer or Huawei technical support.
3807 Air
Condition
er
Internal
Fan Fault
Major Cause ID=1-13
1. The fan does not have
a primary power
supply.
2. The cable is not
connected securely or
correctly.
3. The fan is faulty.
1. Check whether the power supply is
normal.
2. Check whether the cables are
securely and correctly connected
based on the circuit diagram.
3. Replace the fan.
4. 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. 135