Huawei UPS2000-G-6KRTLL User Manual page 66

UPS2000-G-6KRTLL
User Manual
Alarm Alarm
ID Name
08 High bus
voltage
09 Bus
short-
circuit
Issue 01 (2020-08-06)
Severity Clearance
Condition
Critical When the
bus
voltage is
lower
than 360
V, the
alarm can
be
automatic
ally
cleared
for two
times.
After that,
you need
to
manually
clear the
fault or
power off
and
restart
the
device.
Critical You need
to
manually
rectify the
fault or
power off
and
restart
the
device.
Copyright © Huawei Technologies Co., Ltd.
Trigger Impact on the
Condition System
The bus The system
voltage is shuts down the
greater than inverter and
450 V for transfers to
200 ms or bypass mode.
greater than
470 V for 1
ms.
The bus soft- The system
start time cannot start
exceeds 15s. inverter output
and transfers
to bypass
mode.
4 Control Panel
Suggestion
● Possible cause:
Power grid surge
occurs.
Measure: Improve
the power grid
quality.
● Possible cause:
The parallel
cable is
disconnected
when UPSs are
connected in
parallel.
Measure: Check
that the parallel
cable and current
equalization cable
are properly
connected.
● Possible cause:
The circuit is
faulty.
Measure: Send the
device to the
maintenance
center.
Possible cause: The
circuit is faulty.
Measure: Send the
device to the
maintenance
center.
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