Huawei SUN2000-29.9KTL - Page 100

SUN2000-(29.9KTL, 33KTL-A, 36KTL, 42KTL)
User Manual
8 Maintenance
Issue 11 (2019-06-08)
Copyright © Huawei Technologies Co., Ltd.
93
Alarm ID
Alarm
Name
Alarm
Severity
Possible Cause
Suggestion
411
AFCI
Self-Chec
k Failure
Major
Cause ID = 1/2/3
AFCI check fails.
1. Turn off the AC output switch
and DC input switch. Then turn
on the AC output switch and DC
input switch after 5 minutes. If
the fault persists, contact Huawei
technical support.
2. Disable the AFCI function if you
are sure not to use it.
412
DC Arc
Fault
Major
Cause ID = 1/2/3/4
The PV string cable is in poor
contact or with open circuits.
Check whether the PV string cable is
in poor contact or with open circuits.
If yes, reconnect the cable.
504
Software
Version
Unmatch
Minor
Cause ID = 1/2/3
During inverter software
upgrade, the version of the
software loaded is incorrect.
Check whether you have performed
a software upgrade recently. If yes,
upgrade the software to the correct
version again.
505
Upgrade
Failed
Major
Cause ID = 1
The upgrade does not end
normally.
Perform the upgrade again.
506
License
Expired
Warning
Cause ID = 1
1. The license has entered its
grace period.
2. The license will expire
soon.
1. Apply for a license.
2. Load the new license.
61440
Flash
Fault
Minor
Cause ID = 1

The flash memory is
insufficient.

The flash memory has bad
sectors.
1. Replace the monitoring board.
2. If the monitoring board is built
into the monitoring device,
replace the monitoring device.
If you cannot rectify faults with the measures listed in the preceding table, contact Huawei technical
support.