Huawei UPS2000-G-2KRTL - Page 60

UPS2000-G-(1 kVA-3 kVA)
User Manual
4 Setting Control Panel
Issue 15 (2019-12-19)
Copyright © Huawei Technologies Co., Ltd.
53
Alar
m ID
Alarm
Cause
ID
Alarm
Name
Alarm
Severity
Alarm Clear
Mode
Trigger
Condition
Impact on
the
System
Repair Proposal
Huawei technical
support.
42
42
Internal
fault
Critical
This alarm
must be
manually
cleared.
The voltage
of each
battery
decreases to
below 10 V
when the
charger has
no output
and the UPS
inverter is
started.
The UPS
transfers to
bypass
mode.
Possible cause:
The charger
switching
transistor is faulty.
Measure: Contact
the dealer or
Huawei technical
support.
66
1
Output
overload
Minor
This alarm is
automatically
cleared.
The inverter
output load
is more than
105% of the
rated load.
The power
supply from
the UPS is
not
affected.
Possible cause:
The load exceeds
the rated loading
capacity of the
inverter.
Measure: Lower
the load or replace
the UPS with a
UPS with a larger
capacity.
66
2
Output
overload
Minor
This alarm is
automatically
cleared.
The bypass
output load
is more than
110% of the
rated load.
The power
supply from
the UPS is
not
affected.
Possible cause:
The load exceeds
the rated loading
capacity of the
bypass.
Measure: Lower
the load or replace
the UPS with a
UPS with a larger
capacity.
66
3
Output
overload
Critical
This alarm
must be
manually
cleared.

In battery
mode,
this alarm
is
generated
when the
load
exceeds
the rated
load.

In normal
mode,
when the
bypass

For
battery
mode,
the UPS
transfers
to no
output
mode.

If the
UPS
transfers
from
normal
mode to
Possible cause:
The load exceeds
the rated loading
capacity of the
inverter.
Measure: Lower
the load or replace
the UPS with a
UPS with a larger
capacity.