Huawei PowerCube 5000 - Page 163

PowerCube 5000
User Manual (SmartLi 100Ah)
A Alarm List
Issue 02 (2020-03-17)
Copyright © Huawei Technologies Co., Ltd.
155
Device
Name
Alarm Name
Alarm
Severit
y
Fault Cause
Troubleshooting
actual number.
3. The actual number
of batteries does not
meet specifications.
DCDC Fault
Critical
The module is faulty.
Replace the module.
PV Input
Insulation Fault
Critical
Insulation is faulty.
Replace the module.
DCDC Input
SPD Fault
Critical
The SPD is faulty.
Replace the module.
DC/DC
Converter
Communication
Failure
Major
The rectifier chip fails
to communicate.
Replace the power unit or module.
Inverter
Communication
Failure
Major
The inverter chip fails
to communicate.
Replace the power unit or module.
Ambient Low
Temperature
Protection
Critical
The ambient
temperature is below
–33°C.
Ensure that the ambient temperature is
higher than –22°C.
Fan Fault
Critical
The fan is faulty.
Replace the power unit or module.
Module Not
Ready
Critical
The module ready
switch is not turned on.
Turn on the module ready switch.
Ambient
Overtemperatur
e Protection
Critical
The ambient
temperature exceeds
85°C.
Check whether the alarm is
automatically cleared 5 minutes after the
ambient temperature falls below 85°C.
RCD Leakage
Current
Exceeded
Critical
The cable is damaged.
1. Check whether the insulation layer
for PV input is damaged.
2. Replace the power unit or module.
HSU
group
All Inverters
Communication
Failure
Major
All inverter chips fail to
communicate.
Replace the power unit or module.
DC/DC
Converter
Communication
Failure
Major
All inverters shut down
in emergency.
Replace the power unit or module.
Inverter
Configuration
Failure
Major
Parallel configuration
of rectifiers and
inverters fail.
Replace the power unit or module.
All DC/DC
Converters
Communication
Major
All rectifier chips fail
to communicate.
Replace the power unit or module.