Huawei LUNA2000-7-S1 User Manual page 100

LUNA2000-(7, 14, 21)-S1
User Manual
Alarm Alarm Name
ID
3002 Battery power
control module
overtemperatur
e
3003 Battery power
control module
fuse blown
Issue 01 (2024-03-27)
Severity Possible Cause
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.
Major 1. Battery power control
module fuse blown.
Copyright © Huawei Digital Power Technologies Co., Ltd.
7 ESS Maintenance
Suggestion
1. Check whether the
[Battery-1/2] power control
module is properly
ventilated and whether the
ambient temperature
exceeds the upper
threshold.
2. If the ventilation is poor
or the ambient
temperature exceeds the
upper threshold, improve
the ventilation and heat
dissipation.
3. If the ventilation and
ambient temperature meet
requirements, 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. Replace the fuse of the
[Battery-1/2] power control
module.
3. Turn on the battery DC
switch, inverter AC output
switch, and inverter DC
input switch in sequence. If
the alarm persists, contact
your dealer or technical
support.
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