Huawei PowerCube 5000 User Manual page 162

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