Huawei UPS2000-G-6KRTLL - Page 94

Alarm ID Alarm
Name
Severity Clearance
Condition
Trigger
Condition
Impact on
the System
Suggestion
60 Load
backfeed
detected
Critical You need to
manually
rectify the
fault or
power o
and restart
the device.
When UPSs
are
connected
in parallel,
the output
backfeed
power
exceeds
1200 W for
100 ms.
The system
shuts down
the inverter
and
transfers to
bypass
mode. If
other UPSs
in the
parallel
system can
deliver
output in
inverter
mode, the
UPS that
has
generated
the alarm
delivers no
output.
Possible
cause: Load
backfeed
occurs.
Measure:
Disconnect
the load
and restart
the device.
71 Inconsistent
parallel
versions
Critical You need to
manually
rectify the
fault or
power o
and restart
the device.
Parallel UPS
protocols
are
inconsistent
.
If the
versions are
inconsistent
, the non-
master UPS
exits the
parallel
system.
Otherwise,
the UPS
transfers to
bypass
mode
because the
number of
parallel
UPSs is
inconsistent
.
Possible
cause: The
UPS
software
versions are
inconsistent
.
Measure:
Upgrade
the
software to
the same
version.
UPS2000-G-6KRTLL
User Manual 4 Control Panel
Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd. 88