Alarm Handling - Huawei UPS2000-G Series Quick Manual

Alarm Handling

For more alarm handling, see the
Alarm Alarm ID
Name (Alarm ID-
Alarm
Cause)
Abnormal 0001-01
mains volt.
0001-02
0001-03
Abnormal 0010-01
BPS volt.
0010-02
Mains 0004-01
phase
reverse
UPS2000-G-(6 kVA-20 kVA) User Manual
Alarm Alarm
Severity Clear
Mode
Minor Automati
c clear
Minor
Minor
Minor Automati
c clear
Minor
Minor Automati
c clear
Impact on the
System
• The UPS
transfers to
battery mode.
If no battery is
•
equipped, the
UPS shuts down.
• The UPS changes
the working
mode or shuts
down.
The UPS cannot
transfer to bypass
mode. If the bypass
is supplying power,
the UPS changes
the working mode.
• The rectifier
transfers to
battery mode,
without affecting
the power supply.
• If no batteries
are installed, the
UPS shuts down.
• The UPS may
transfer to
another working
mode or shut
down.
18
.
Repair Proposal
Possible causes:
• The mains voltage exceeds 280
V.
The mains voltage is less than
•
80 V.
• The mains frequency is not in
the range of 40 Hz to 70 Hz.
Measures:
Check whether the mains input
•
voltage is less than 272 V. If not,
wait until the mains recovers.
Check whether the mains input
•
voltage is greater than 88 V. If
not, wait until the mains
recovers.
• Check the mains input
frequency. If the mains input
frequency is abnormal, wait
until the mains input recovers.
Possible causes:
• The bypass input voltage is
abnormal.
The bypass input frequency is
•
abnormal.
Measures:
• Check whether the bypass input
voltage exceeds the configured
range. If yes, change the range
or wait until the bypass input
recovers.
• Check whether the bypass input
frequency exceeds the
configured range. If yes, change
the range or wait until the
bypass input recovers.
Possible cause: The mains input
three-phase sequence is incorrect.
Measure: Check that mains input
power cables are correctly
connected.