Huawei UPS2000-G-2KRTL User Manual page 50

UPS2000-G-(1 kVA-3 kVA)
User Manual
Alar Alar Alar
m ID m m
Cause Name
ID
l fault
42 28 Interna
l fault
Interna
42 31
l fault
Issue 08 (2017-08-04)
Alarm Alarm Clear
Severity Mode
must be
manually
cleared.
Critical The first three
alarms are
cleared
automatically
in 10 minutes.
Later alarms,
if generated,
must be
cleared
manually.
This alarm
Critical
must be
manually
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Trigger Impact on
Condition the System
output is generated
voltage is during the
lower than running of
75% of the the UPS, the
rated output UPS
voltage, and transfers to
the output bypass
current is mode.
lower than
60% of the
rated output
current.
The inverter If this alarm
output is generated
voltage is during the
lower than running of
100 V. the UPS, the
UPS
transfers to
no output.
After 10
minutes, the
UPS
automaticall
y starts the
inverter. If
this alarm
persists, the
UPS then
transfers to
no output
again. After
the UPS
transfers to
no output
three times,
the alarm
needs to be
manually
cleared.
The If this alarm
difference is generated
between the during the
4 Setting Control Panel
Repair Proposal

Possible cause:
The output load
types are not
supported or the
load exceeds the
specifications.
Measure: Check
whether the load
types are
supported and
reduce the
output load.
Then, manually
clear the alarm
and restart the
UPS.

Possible cause:
The inverter is
faulty.
Measure:
Contact the
dealer or
Huawei
technical
support.
 Possible cause:
The output is
short-circuited.
Measure: Check
whether the
output is
short-circuited.
 Possible cause:
The hardware is
damaged.
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