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SUN2000-(33KTL, 40KTL)
User Manual
8 Maintenance
Issue 03 (2015-12-01)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
81
Alarm ID Alarm
Name
Alarm
Severity
Causes
Measures
326
Electrical
Grounding
Fault
Major
The neutral wire or PGND
cable is not connected to
the SUN2000.
The isolation transformer is
not connected to the
SUN2000 at the output side
if the PV strings are
grounded.
1.
Check that the neutral wire and
PGND cable are properly
connected.
2.
Check that an isolation
transformer is connected to the
SUN2000 at the output side if the
PV strings are grounded.
400
System
Fault
Major
An unrecoverable fault has
occurred on a circuit inside the
SUN2000.
Flip the DC SWITCH on the
SUN2000 to OFF, wait 5 minutes,
and flip the DC SWITCH to ON.
Check whether the fault is rectified.
If the fault persists, contact Huawei
technical support.
502
Internal
Communic
ation Fault
Minor
The communication circuit
of the SUN2000 is
disturbed.
The communication circuit
is damaged.
The internal
communication address is
incorrectly set.
1.
If the fault is caused by a short
circuit of the communication
circuit inside the SUN2000, the
SUN2000 automatically recovers
to the normal operating status
after the fault is rectified.
2.
If the fault persists for a long
time, contact Huawei technical
support.
504
Version
Mismatch
Minor
During SUN2000 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
Firmware
Upgrade
Failed
Major
Upgrade is not properly
completed.
Upgrade again.
61440
Flash Fault Minor
The flash space is
insufficient.
The flash drive has bad
blocks or is faulty.
1.
Replace the monitoring board.
2.
If the monitoring board is built in
the monitoring device, replace
the monitoring device.
If a fault cannot be rectified by the measures listed in
Table 8-2
, contact Huawei technical support.