Huawei LUNA2000 User Manual page 81

LUNA2000-(5-30)-S0
User Manual
Table 7-2 Common alarms and troubleshooting measures
Alarm ID Alarm
Name
3000 Low
battery
DC input
bus
voltage
3001 Abnorma
l battery
power
control
module
3002 Battery
power
control
module
overtem
perature
Issue 01 (2020-10-20)
Alarm Possible Cause
Severity
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.
Major An unrecoverable fault has
occurred on an internal
circuit of the battery power
control module.
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.
Copyright © Huawei Technologies Co., Ltd.
7 System Maintenance
Troubleshooting
1. Turn off 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.
1. Turn off 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.
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.
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