Huawei UPS2000-G-6KRTLL User Manual page 97

UPS2000-G-6KRTLL
User Manual
Alarm ID Alarm
Name
82 Parallel
synchroniza
tion signal
fault
83 Parallel
battery
voltage
deviation
exceeding 4
V
Issue 02 (2022-06-30)
Severity Clearance
Condition
Critical You need to
manually
rectify the
fault or
power off
and restart
the device.
Critical The voltage
difference is
less than 3
V or the
UPS is set
to
standalone
mode.
Copyright © Huawei Technologies Co., Ltd.
Trigger Impact on
Condition the System
The The system
synchroniza shuts down
tion zero- the inverter
crossing and
signal is transfers to
lost for bypass
more than mode. If
200 ms. other UPSs
in the
parallel
system can
deliver
output in
inverter
mode, the
UPS that
has
generated
the alarm
delivers no
output.
The battery The system
voltage shuts down
deviation the inverter
between and
UPSs in a transfers to
parallel bypass
system is mode. If
greater other UPSs
than 4 V for in the
120 ms. parallel
system can
deliver
output in
inverter
mode, the
UPS that
has
generated
the alarm
delivers no
output.
4 Control Panel
Suggestion
Possible
cause: The
circuit is
faulty.
Measure:
Send the
device to
the
maintenanc
e center.
Possible
cause:
Batteries
are not
shared.
Measure:
Ensure that
all UPSs
share one
battery
string.
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