Huawei PowerCube 5000 User Manual page 167

PowerCube 5000
User Manual (SmartLi 100Ah)
Device Alarm Name
Name
ECM2 Fault
Configuration
Failure
Abnormal
Program
Execution
Communication
Fail
Communication
Alarm Between
Active And
Standby SCIs
System Output
Misconnect
Other AC
Sources
Frame ID
Conflict
Diesel Manual Mode
generator
Start Failure
Stop Failure
Lose Phase
Abnormal Stop
Issue 02 (2020-03-17)
Alarm Fault Cause
Severit
y
Minor ECU2 is faulty.
Warning Configuration of ECM
fails.
Warning Memory check fails.
Major This alarm is generated
when the SMU fails to
communicate with the
ECM.
Minor An exception occurs in
the SCI communication
between the active and
standby ECMs.
Critical The bypass input is
incorrectly connected
to the bypass output.
Critical In standalone mode, the
parallel cable is
connected between two
racks.
Major The DG is switched to
the manual mode.
Major The DG is faulty.
Minor The DG is faulty.
Minor The DG voltage is
below the lower
threshold.
1. The fuel is
Warning
insufficient.
2. The fuel solenoid
valve is faulty.
3. The DG is manually
shut down onsite.
4. The dry contact for
remote startup is
faulty.
5. The system
Copyright © Huawei Technologies Co., Ltd.
Troubleshooting
Replace the ECM in the second slot.
1. Reconnect the ECM.
2. Restore the SMU to its factory
settings.
Replace the power unit or module.
Check the communication between the
SMU and the ECM.
Replace the standby ECM. If the fault
persists, use another ECM.
Check whether the input and output of
the system are correctly connected
onsite. If no, contact Huawei technical
support.
Check whether the ECM is in standalone
mode and whether a parallel cable is
connected between two ECMs. If yes,
remove the parallel cable. If no, contact
Huawei technical support.
Switch the DG to the automatic mode
and check whether the alarm is cleared.
Check whether the DG has difficulty
starting.
Check whether the DG has difficulty
stopping.
Maintain the DG and check whether the
alarm is cleared.
1. Add fuel to the fuel tank and check
whether the alarm is cleared.
2. Check whether the fuel solenoid
valve is faulty. If yes, replace it and
check whether the alarm is cleared.
3. Set the system mode to Automatic
and check whether the alarm is
cleared.
4. Repair the dry contact for remote
startup and check whether the alarm
A Alarm List
159