Huawei UPS2000-G-2KRTL - Page 57

UPS2000-G-(1 kVA-3 kVA)
User Manual
4 Setting Control Panel
Issue 15 (2019-12-19)
Copyright © Huawei Technologies Co., Ltd.
50
Alar
m ID
Alarm
Cause
ID
Alarm
Name
Alarm
Severity
Alarm Clear
Mode
Trigger
Condition
Impact on
the
System
Repair Proposal
cleared.
260 V.
running of
the UPS,
the UPS
transfers to
bypass
mode.
is damaged.
Measure:
Contact the
dealer or
technical
support.

Possible cause:
An overload
occurred when
the input
voltage was
low.
Measure:
Rectify the
fault and
restart the
UPS.
42
24
Internal
fault
Minor
This alarm is
automatically
cleared.
An error
occurs in the
EEPROM.
All UPS
parameters
are restored
to the
factory
settings. If
this alarm is
generated,
the
customer
needs to
replace the
UPS.
Possible cause:
The EEPROM is
faulty.
Measure: Contact
the dealer or
Huawei technical
support.
42
27
Internal
fault
Critical
This alarm
must be
manually
cleared.
The inverter
voltage is
higher than
1.15 times
the rated
output
voltage.
If this alarm
is generated
during the
running of
the UPS,
the UPS
transfers to
bypass
mode.
Possible cause:
The inverter is
faulty.
Measure: Contact
the dealer or
Huawei technical
support.
Internal
fault
Critical
This alarm
must be
manually
cleared.
The inverter
output
voltage is
lower than
75% of the
rated output
voltage, and
the output
current is
If this alarm
is generated
during the
running of
the UPS,
the UPS
transfers to
bypass
mode.