PowerCube 5000
User Manual (SmartLi 100Ah)
A Alarm List
Issue 02 (2020-03-17)
Copyright © Huawei Technologies Co., Ltd.
156
Device
Name
Alarm Name
Alarm
Severit
y
Fault Cause
Troubleshooting
Failure
EPO Shutdown
Major
Any rectifier or inverter
shuts down in
emergency.
Replace the power unit or module.
Module
Missing
Major
The module is removed
or stolen before the
restart.
Reinstall the module.
Output Over
Load Protect
Major
The output power is too
high.
Reduce the output power.
Battery Reverse
Connection
Major
Batteries are reversely
connected.
Correct the battery polarity.
Not Enough
Capacity
Major
The number of
configured modules is
insufficient.
Increase the number of modules.
PV Input
Reverse
Connection
Critical
The PV inputs of all
HSUs are reversely
connected.
Check whether the battery polarity is
normal. If not, reinstall the battery.
Power
cabinet
Power Cabinet
AC Output SPD
Fault
Major
The AC output SPD is
faulty.
1.
Check whether the AC SPD window
on the rack output side has turned
red. If yes, replace the AC SPD.
2.
Check whether the AC SPD
monitoring cable connector on the
rack output side is loose. If yes,
secure the connector.
HSU
Short-Circuit
Protection
Critical
HSU short-circuit
protection is triggered.
Replace the power unit or module.
The AC Output
Switch Open
Critical
The output circuit
breaker in the cabinet is
OFF.
Check whether the output circuit breaker
in the cabinet is OFF.
AC Input Phase
Sequence
Incorrect
Major
The input cable phase
sequence is incorrect.
Check whether input cables are
connected properly.
AC Output
Phase Sequence
Incorrect
Major
The output cable phase
sequence is incorrect.
Check whether output cables are
connected properly.
Communi
cations
expansion
board
Communication
Fail
Major
1.
The
communications
cable is
disconnected or
loose.
2.
The communication
expansion board is
1.
Check whether the communications
cable is properly connected.
2.
Replace the involved communication
expansion board, and check whether
the alarm is cleared.