Alarm
ID
Alarm
Name
Seve
rity
Clearance
Condition
Trigger
Condition
Impact
on the
Syste
m
Suggestion
82
Parallel
synchro
nizatio
n
signal
fault
Critic
al
You need
to
manually
rectify the
fault or
power off
and
restart the
device.
The
synchronization
zero-crossing
signal is lost for
more than 200
ms.
The
system
shuts
down
the
inverte
r and
transfe
rs to
bypass
mode.
If other
UPSs in
the
parallel
system
can
deliver
output
in
inverte
r
mode,
the
UPS
that
has
genera
ted the
alarm
deliver
s no
output.
Possible cause: The circuit is
faulty.
Measure: Send the device to
the maintenance center.
UPS2000-G-3KRTLL
User Manual
4 Control Panel
Issue 01 (2020-10-26)
Copyright © Huawei Technologies Co., Ltd.
88