Huawei UPS2000-G-6KRTLL User Manual page 94

UPS2000-G-6KRTLL
User Manual
Alarm ID Alarm
Name
60 Load
backfeed
detected
71 Inconsistent
parallel
versions
Issue 02 (2022-06-30)
Severity Clearance
Condition
Critical You need to
manually
rectify 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
Condition the System
When UPSs The system
are shuts down
connected the inverter
in parallel, and
the output transfers to
backfeed bypass
power mode. If
exceeds other UPSs
1200 W for in the
100 ms. parallel
system can
deliver
output in
inverter
mode, the
UPS that
has
generated
the alarm
delivers no
output.
Parallel UPS If the
protocols versions are
are inconsistent
inconsistent , the non-
. master UPS
exits the
parallel
system.
Otherwise,
the UPS
transfers to
bypass
mode
because the
number of
parallel
UPSs is
inconsistent
.
4 Control Panel
Suggestion
Possible
cause: Load
backfeed
occurs.
Measure:
Disconnect
the load
and restart
the device.
Possible
cause: The
UPS
software
versions are
inconsistent
.
Measure:
Upgrade
the
software to
the same
version.
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