Huawei PowerCube 5000 - HSU Alarms Overview

PowerCube 5000
User Manual (SmartLi 100Ah)
A Alarm List
Issue 02 (2020-03-17)
Copyright © Huawei Technologies Co., Ltd.
154
Device
Name
Alarm Name
Alarm
Severit
y
Fault Cause
Troubleshooting
DIN4 Alarm
Minor
1. The device
connected to the dry
contact input is
faulty.
2. The alarm
conditions for the
dry contact input are
incorrectly set.
1. Maintain the device connected to the
dry contact input and check whether
the alarm persists.
2. Check whether alarm conditions for
the dry contact input are incorrectly
set.
XFMR. High
Temp
Major
Temperature of the
isolation transformer is
greater than 100°C.
Check whether the temperature of the
transformer cabinet meets the alarm
requirements.
XFMR. Very
High Temp
Major
Temperature of the
isolation transformer is
greater than 160°C.
Check whether the temperature of the
transformer cabinet meets the alarm
requirements.
HSU
Inverter Fault
Critical
The inverter is faulty.
Replace the power unit or module.
Inverter Load
Current DC
Component
Overhigh
Minor
The DC component of
the inverter output
current is excessive.
Replace the power unit or module.
Incompatible
Inverter
Version
Critical
Inverter DSP and
power hardware
version mismatch.
Upgrade the software.
Inverter
Self-check
Failure
Critical
Phase A self-check
fails.
Replace the power unit or module.
Inverter Load
Voltage DC
Component
Overhigh
Critical
The DC component of
the inverter output
voltage is excessive.
Replace the power unit or module.
PV Input
Overvoltage
Protection
Critical
PV input overvoltage
occurs.
Check the PV input voltage.
PV Input
Reverse
Connection
Critical
PV input
reverse-connection
occurs.
Reinstall the PV modules and ensure that
the polarities are correct.
Inverter
Protection
Critical
Batteries are not
properly installed.
Reinstall the PV modules and ensure that
the polarities are correct.
DCDC
Protection
Critical
1. The battery voltage
is higher than the
upper threshold.
2. The configured
number of batteries
is less than the
1. Check the battery voltage.
2. Check that the configured number of
batteries matches the actual number.
3. Check that the actual number of
batteries meets requirements.
4. Replace the power unit or module.