36
Alarm
Name
Alarm ID-
Cause ID
Alarm
Severity
Clearance
Mode
Impact on
the System
Handling Suggestion
Batt.
undervolt.
0026-01
Minor
Automatic
An alarm is
displayed,
and the
system may
shut down
due to EOD.
Possible cause: The mains is
abnormal, and the batteries
are overdischarged.
Measure: Connect to the
mains supply in non-battery
test state.
Rectifier
fault
0040-04
Critical
Manual/Po
wer-
off/Autom
atic
The UPS
shuts down.
The UPS
transfers to
another
working
mode or
shuts down.
Possible causes:
•
The mains has experienced
a transient high voltage.
•
The output carries special
loads such as inductive and
rectification loads.
•
The output carries
transformer loads but the
transformer mode is not
enabled.
•
The hardware is damaged.
Measures:
•
Rectify the fault and power
on the UPS again.
•
Check that the loads are
supported by the UPS.
•
Enable the transformer
mode.
•
Contact Huawei technical
support.
Internal
fault
0042-10
Critical
Automatic
If the inverter
has not
started,
disable
inverter
startup.
If the inverter
has started,
the UPS can
work in
inverter
mode
properly, but
the UPS
cannot
transfer to
bypass mode.
Possible cause: The bypass
input cable connection is
inconsistent with the output
system setting.
Measure: Ensure that the
bypass input cable connection
is consistent with the output
system setting.
Fan fault
0043-01
Critical
Automatic
This alarm
does not
affect the
UPS or the
power supply.
Possible cause: The fan is
abnormal.
Measure: Clean up foreign
objects around the fan. If the
alarm persists, contact Huawei
technical support.