Alarm
ID
Alarm Name Alarm
Severity
Possible Cause Troubleshooting Suggestion
2065 Upgrade Failed
or Version
Mismatch
Minor Cause ID = 1, 2 and
4
The upgrade ends
abnormally.
NOTE
Upgrade the inverter
again if it is stuck in
initialization state
without generating
any alarms and
cannot be restored
to the normal state
during the upgrade
when the PV inputs
are disconnected
and reconnected
next time.
1. Upgrade again.
2. If the upgrade fails several
times, contact your dealer or
Huawei technical support.
2066 License Expired Warning Cause ID = 1
● The privilege
certicate has
entered the
grace period.
● The privilege
feature will be
invalid soon.
1. Apply for a new certicate.
2. Load the new certicate.
61440 Faulty
Monitoring Unit
Minor Cause ID = 1
● The ash
memory is
insucient.
● The ash
memory has bad
sectors.
Turn o 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
congurations.
3. Check that the power meter is
powered on and the RS485
communications cable is
connected.
SUN2000-(8KTL-20KTL)-M2
User Manual 8 Maintenance
Issue 11 (2023-02-07) Copyright © Huawei Technologies Co., Ltd. 102
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