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UPS2000-G-3KRTLL
User Manual
Alarm
Alarm
ID
Name
82
Parallel
synchro
nizatio
n
signal
fault
Issue 01 (2020-10-26)
Seve
Clearance
rity
Condition
Critic
You need
al
to
manually
rectify the
fault or
power off
and
restart the
device.
Copyright © Huawei Technologies Co., Ltd.
Trigger
Impact
Condition
on the
Syste
m
The
The
synchronization
system
zero-crossing
shuts
signal is lost for
down
more than 200
the
ms.
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.
4 Control Panel
Suggestion
Possible cause: The circuit is
faulty.
Measure: Send the device to
the maintenance center.
88
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