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SUN600-(5KTL, 6KTL)-L0
User Manual
Alarm
Alarm Name
ID
2065
Upgrade Failed
or Version
Mismatch
61440
Monitoring
Unit Faulty
2067
Faulty Power
Collector
2070
Active Islanding
Issue 04 (2023-02-17)
Alarm
Possible Causes
Severity
Minor
The upgrade does not
complete normally.
Cause ID = 1–4, 7
● 1. The software and
hardware of the main
controller do not match.
● 2: The main and
auxiliary controller
software versions do not
match.
● 3: The monitoring and
power controller
software versions do not
match.
● 4: The upgrade fails.
Minor
Cause ID = 1
● The flash memory is
insufficient.
● The flash memory has
bad sectors.
Major
Cause ID = 1
The smart power sensor is
disconnected.
Major
Cause ID = 1
When the power grid
experiences an AC power
outage, the inverter detects
islanding proactively.
Copyright © Huawei Technologies Co., Ltd.
8 System Maintenance
Troubleshooting
1. Perform an upgrade
again.
2. If the upgrade fails for
multiple times, contact
your dealer.
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.
1. Check that the
configured power meter
model is the same as
the actual model.
2. Check that the
communications
parameters for the
smart power sensors are
the same as the inverter
RS485 configurations.
3. Check whether the
smart power sensor is
powered on and
whether the RS485
communications cable is
connected.
Check that the grid
connection voltage of the
inverter is normal.
87
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