Huawei SUN2000 User Manual page 157

SUN2000-(3.8KTL-11.4KTL)-USL0
User Manual
Alarm Alarm
ID Name
2068 Battery
Abnormal
Output
2077
Overload
(needs to
be
manually
cleared)
2080 Abnormal
PV Module
Configurati
on
Issue 01 (2018-05-21)
Alarm Alarm
Severity Action
Minor Shutdown,
alarm
reporting, and
automatic
recovery after
the fault is
rectified
Shutdown,
Major
alarm
reporting, and
automatic
recovery after
the fault is
rectified
Major Shutdown,
alarm
reporting
(reset alarm)
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Possible Cause
Cause ID = 1
 The battery is faulty.

The battery
communication is
interrupted.
 The battery switch
trips when the
SUN2000 is
running.
Cause ID = 1–2
The output is
overloaded or
short-circuited.
Cause ID = 1–4
PV module
configuration does not
meet requirements, or
the PV module output is
reversely connected or
short-circuited.
8 System Maintenance
Suggestion
1. If the FAULT indicator
on the front of the
battery pack is ON or
flashing, contact your
installer.
2. Check that the
communications cable
and power cable
between the SUN2000
and the battery are
properly connected.
Check that the
communication
parameters are
consistent with the
RS485 configurations of
the SUN2000. Check
that the Auxiliary Power
switch on the battery is
set to ON.
3. Send a shutdown
command on the app.
Turn off the AC output
switch, DC input switch,
and battery switch in
order, and then turn on
the battery switch, AC
output switch, and DC
input switch in sequence
after 5 minutes.
4. If the alarm still exists,
contact your installer.
1. Check whether the
device output is
short-circuited.
2. Check whether the
device load exceeds the
rated value.
Check whether the total
number of PV modules,
number of PV modules in a
string, and number of PV
strings meet requirements
and whether the PV module
output is reversely
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