Huawei UPS2000-G-3KRTS - Page 56

UPS2000-G-(1 kVA-3 kVA)
User Manual
4 Setting Control Panel
Issue 15 (2019-12-19)
Copyright © Huawei Technologies Co., Ltd.
49
Alar
m ID
Alarm
Cause
ID
Alarm
Name
Alarm
Severity
Alarm Clear
Mode
Trigger
Condition
Impact on
the
System
Repair Proposal
which the UPS
works.
42
15
Internal
fault
Critical
This alarm
must be
manually
cleared.
The bus
voltage is
lower than
320 V.
This alarm
is generated
during the
startup of
the UPS. If
this alarm is
generated,
the UPS
fails to
start.
Possible cause:
The soft-start
resistor is
damaged.
Measure: Contact
the dealer or
Huawei technical
support for repair.
42
17
Internal
fault
Critical
This alarm
must be
manually
cleared.
The bus
voltage is
higher than
450 V.
If this alarm
is generated
during the
running of
the UPS,
the UPS
transfers to
bypass
mode.

Possible cause:
The mains has
experienced a
transient high
voltage.
Measure:
Rectify the
fault and
restart the
UPS.

Possible cause:
The output
supplies power
to special
loads such as
the inductive
and
rectification
loads.
Measure:
Check that the
load types are
supported by
the UPS.

Possible cause:
The hardware
is damaged.
Measure:
Contact the
dealer or
Huawei
technical
support.
42
18
Internal
fault
Critical
This alarm
must be
manually
The bus
voltage is
lower than
If this alarm
is generated
during the

Possible cause:
The hardware