Huawei SUN2000 Series User Manual page 78

SUN2000-(3KTL-10KTL)-M0
User Manual
Alarm ID Alarm
Name
61440 Faulty
Monitorin
g Unit
Faulty
2067
Power
Collector
Transient
2072
AC
Overvolta
ge
Issue 04 (2019-10-18)
Alarm Possible Cause
Severity
Minor Cause ID = 1

The flash memory is
insufficient.
 The flash memory has bad
sectors.
Major Cause ID = 1
Power meter disconnection.
Major Cause ID = 1
The inverter detects that the
phase voltage exceeds the
transient AC overvoltage
protection threshold.
Contact your dealer or Huawei technical support if the measures listed in the Troubleshooting
Suggestion column have been taken but the fault persists.
Copyright © Huawei Technologies Co., Ltd.
Troubleshooting Suggestion
Turn off the AC output switch and
DC input switch, and then turn them
on after 5 minutes. If the fault
persists, replace the monitoring
board or contact your dealer Huawei
technical support.
1. Check that the preset power
meter model is the same as the
actual model.
2. Check that the preset
communications parameters for
the power meter are the same as
the actual configurations.
3. Check that the power meter is
powered on and the RS485
communications cable is
connected.
1. Check whether the grid
connection voltage exceeds the
upper threshold. If yes, contact
the local power operator.
2. If you have confirmed that the
grid connection voltage exceeds
the upper threshold and obtained
the consent of the local power
operator, modify the overvoltage
protection threshold.
3. Check that the peak grid voltage
does not exceed the upper
threshold.
7 Maintenance
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