Table 7-2 Common alarms and tr
oubleshooting measures
Alarm ID Alarm
Name
Alarm
Sev
erity
Possible Cause Troubleshooting
3000 Low
battery
DC input
bus
voltage
Major 1. The DC bus voltage of
the battery is low.
2. The battery DC switch is
OFF.
3. The battery cables are
not correctly connected.
1. Turn o the inverter AC
output switch, inverter DC input
switch, and battery DC switch,
and wait for 5 minutes.
2. Check the cable connections
to the [Battery-1/2] power
control module by referring to
the quick installation guide.
3. After checking that the
battery power cables are
correctly connected, turn on the
battery DC switch, AC output
switch, and inverter DC input
switch in sequence.
4. If the alarm persists, contact
your dealer or Huawei technical
support.
3001 Abnorma
l bat
tery
power
control
module
Major An unrecoverable fault has
occurred on an internal
circuit of the battery power
control module.
1. Turn o the inverter AC
output switch, inverter DC input
switch, and battery DC switch,
and wait for 5 minutes.
2. Turn on the battery DC switch,
inverter AC output switch, and
DC input switch.
3. If the alarm persists on the
[Battery-1/2] power control
module (the battery fault
indicator is steady on), contact
your dealer or Huawei technical
support.
3002 Battery
power
control
module
overtem
perature
Minor 1. The installation position
of the battery power
control module is not well
ventilated.
2. The ambient
temperature is excessively
high.
3. The battery power
control module is
abnormal.
1. Check the ventilation and
whether the ambient
temperature of the [Battery-1/2]
power control module exceeds
the upper threshold.
2. If the ventilation is poor or
the ambient temperature is
excessively high, improve the
ventilation and heat dissipation.
3. If the ventilation and ambient
temperature are normal, contact
your dealer or Huawei technical
support.
LUNA2000-(5-30)-S0
User Manual 7 System Maintenance
Issue 01 (2020-10-20) Copyright © Huawei Technologies Co., Ltd. 75
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