Huawei SUN2000 Series User Manual page 106

SUN2000-(100KTL, 110KTL, 115KTL)-M2
User Manual
Alarm Alarm
ID Name
2063 Cabinet
Overtem
perature
2064 Device
Fault
2065 Upgrade
Failed or
Software
Version
Unmatch
2066 License
Expired
Issue 02 (2022-06-30)
Alarm Possible Cause
Severity
Minor Cause ID = 1
1. The solar inverter is installed
in a place with poor
ventilation.
2. The ambient temperature is
too high.
3. The solar inverter is not
working properly.
Major Cause ID = 1-5, 7-12
A fault occurs on the internal
inverter circuit.
Minor Cause ID = 1–4
The upgrade does not complete
normally.
Warnin Cause ID = 1
g
1. The privilege license has
entered the grace period.
2. The privilege feature will be
invalid soon.
Copyright © Huawei Technologies Co., Ltd.
8 Maintenance
Suggestion
1. Check the ventilation and
whether the ambient
temperature of the solar
inverter exceeds the upper
limit. If the ventilation is
poor or the ambient
temperature is too high,
improve ventilation.
2. If both the ventilation and
ambient temperature
meet requirements yet the
fault persists, contact your
dealer or technical
support.
● Cause ID = 1
Wait until the PV string
current decreases to below
0.5 A, and then turn off all
DC switches. If the fault
persists, contact your dealer
or technical support.
● Cause ID = 2-5, 7-12
Turn off the AC output switch
and then the DC input
switches. After 5 minutes,
turn them on in the same
sequence. If the fault persists,
contact technical support.
1. Perform an upgrade again.
2. If the update fails for
multiple times, contact
your dealer or technical
support.
1. Apply for a new license.
2. Load a new license.
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