Alarm ID Alarm
Name
Alarm
Severity
Possible Cause
Troubleshooting Suggestion
61440
Faulty
Monitori
ng Unit
Minor
Cause ID = 1
● The flash memory is
insufficient.
● The flash memory has
bad sectors.
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.
2067
Faulty
Power
Collector
Major
Cause ID = 1
Power meter disconnection.
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.
2072
Transient
AC
Overvolt
age
Major
Cause ID = 1
The inverter detects that
the phase voltage exceeds
the transient AC
overvoltage protection
threshold.
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.
NO TE
Contact your dealer or Huawei technical support if the measures listed in the
Troubleshooting Suggestion column have been taken but the fault persists.
SUN2000-(12KTL, 15KTL, 17KTL, 20KTL)-M0
User Manual
7 Maintenance
Issue 06 (2020-07-02)
Copyright © Huawei Technologies Co., Ltd.
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