Huawei LUNA2000-2.0MWH-1H0 User Manual page 143

LUNA2000-2.0MWH-1H0, 2H0 Smart String ESS
User Manual
Alar Alarm
m ID Name
3803 Fire
Extinguis
hing
System
Fault
3804 AC SPD
fault
3805 Air
Condition
er
Temperat
ure High
3806 Air
Condition
er
Temperat
ure Low
3807 Air
Condition
er
Internal
Fan Fault
Issue 02 (2021-11-15)
Severit Possible Causes
y
Cause ID=2
The battery compartment
is on fire.
Major Cause ID=1
Sensor or controller fault.
Major Cause ID=1
AC SPD fault.
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.
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.
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.
Copyright © Huawei Technologies Co., Ltd.
Troubleshooting Suggestions
1. Check whether smoke or fire is
present in the battery cabin of the
container. If yes, keep away from
the container. If not, press the fire
protection emergency stop button
and reset the system.
2. If the pressure of the fire cylinder is
low, replace the fire cylinder.
1. Check the fire protection system
and the fault code.
2. Contact your dealer or Huawei
technical support.
1. Check the cable connection to the
AC SPD.
2. Replace the AC SPD.
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.
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.
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.
10 Alarm Reference
135