Huawei LUNA2000-7-S1 User Manual page 101

LUNA2000-(7, 14, 21)-S1
User Manual
Alarm Alarm Name
ID
3004 Battery power
control module
reversely
connected
3005 Battery power
control module
DC switch OFF
Issue 01 (2024-03-27)
Severity Possible Cause
Major 1. The battery power
control module is
connected to the inverter in
reverse polarity.
Warning 1. The DC switch of the
battery power control
module is OFF.
2. The DC bus cable to the
battery power control
module is disconnected.
Copyright © Huawei Digital Power Technologies Co., Ltd.
7 ESS Maintenance
Suggestion
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,
inverter AC output switch,
and inverter DC input
switch in sequence.
4. If the alarm persists,
contact your dealer or
technical support.
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 guide.
3. After checking that the
battery power cables are
correctly connected, turn
on the battery DC switch,
inverter AC output switch,
and inverter DC input
switch in sequence.
4. If the alarm persists,
contact your dealer or
technical support.
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