Component
Alarm Name
Alarm
Severit
y
Possible Cause
Measures
Inverter fault
Critical
The inverter output
short-circuits.
Eliminate the short
circuit at the output
port cable connection,
and then power on and
start the inverter again.
If the fault persists,
contact Huawei
technical support.
Output short
circuit
NOTE
The system
immediately
disconnects the
power output.
Critical
The load or cable is
short-circuited.
Locate and rectify the
short circuit.
Intelligent
lithium
battery
monitoring
system
Communication
Failure
Critical
The network cable
communication is
interrupted.
Check the cable
connection to the smart
ETH gateway.
BCB Tripping
Critical
● The battery has
discharged to the
end-of-discharge
(EOD) threshold.
● The battery circuit
breaker (BCB) box is
manually
disconnected.
● There is a security
risk in the battery
loop.
Identify the alarm
cause, rectify the fault,
and switch on the BCB
box.
Single Batt.
terminal off
Critical
● A battery terminal
screw is not
tightened.
● The battery terminal
is not properly
connected to the
connector.
● Check that battery
terminal screws are
tightened.
● Check that battery
terminals are
properly connected
to connectors.
FusionModule500 Smart Mini Data Center
User Manual
6 O&M
Issue 02 (2020-12-25)
Copyright © Huawei Technologies Co., Ltd.
263