Huawei SUN2000-33KTL-US User Manual page 115

SUN2000-(33KTL, 36KTL, 40KTL)-US
User Manual
Alarm ID Alarm
Name
410 Abnormal
Auxiliary
Power
411 AFCI
Self-Chec
k Failure
412 DC Arc
Fault
504 Software
Version
Unmatch
505 Upgrade
Failed
506 License
Expired
61440 Flash
Fault
Issue 07 (2019-06-20)
Alarm Possible Cause
Severity
Major Cause ID = 4
The sampling control board has
an abnormal voltage, which
may be caused by the
following:
 The internal power chip of
the sampling control board
is faulty.
 The detection circuit
becomes faulty.
Major Cause ID = 1/2/3
AFCI check fails.
Major Cause ID = 1/2/3/4
The PV string cable is in poor
contact or with open circuits.
Minor Cause ID = 1/2/3
During inverter software
upgrade, the version of the
software loaded is incorrect.
Major Cause ID = 1
The upgrade does not end
normally.
Warning Cause ID = 1
1. The license has entered its
grace period.
2. The license will expire
soon.
Minor Cause ID = 1
 The flash memory is
insufficient.
 The flash memory has bad
sectors.
Copyright © Huawei Technologies Co., Ltd.
Suggestion
persists, contact Huawei technical
support.
1. When the alarm is generated, the
SUN2000 shuts down
automatically. When the fault is
rectified, the SUN2000 starts
automatically.
2. If the alarm persists, contact
Huawei technical support.
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.
Check whether the PV string cable is
in poor contact or with open circuits.
If yes, reconnect the cable.
Check whether you have performed
a software upgrade recently. If yes,
upgrade the software to the correct
version again.
Perform the upgrade again.
1. Apply for a license.
2. Load the new license.
1. Replace the monitoring board.
2. If the monitoring board is built
into the monitoring device,
replace the monitoring device.
8 Maintenance
108