Huawei UPS2000-G-3K-V1-DR Quick Manual page 13

Alarm Alarm ID
Name (Alarm
ID-Alarm
Cause)
Mains 0004-01
phase
reverse
BPS 0011-01
phase
reverse
Batt. 0025-01
overvolt.
Batt. 0026-01
undervolt.
Rectifier 0040-04
fault
Alarm Alarm Impact on the
Severi- Clear System
ty Mode
•
Minor Automat
ic clear
•
•
•
Minor Automat
ic clear
•
Minor Automat An alarm is
ic clear generated, and the
battery lifespan is
affected.
Minor Automat An alarm is
ic clear generated, and the
system may shut
down due to EOD.
Critical Manual The UPS shuts down.
clear/Po The UPS transfers to
wer-off another working
clear/Au mode or shuts down.
tomatic
clear
Repair Proposal
The rectifier Possible cause: The mains input three-
transfers to phase sequence is incorrect.
battery mode, Measure: Check that mains input power
without affecting cables are correctly connected.
the power supply.
If no batteries are
installed, the UPS
shuts down.
The UPS may
transfer to another
working mode or
shut down.
If the inverter has Possible cause: The bypass input three-
not started, the phase sequence is incorrect.
system has no Measure: Check that bypass input power
output, and cables are correctly connected.
inverter startup is
prohibited.
If the inverter has
started, the
inverter still works
properly, but the
system cannot
transfer to bypass
mode.
Possible causes: The battery voltage
reaches the alarm threshold due to battery
charging.
Measures: Disconnected the external
battery charger, check whether the alarm
is cleared. If not, contact Huawei technical
support for repair.
Possible cause: The mains input is
abnormal. Battery discharge results in a
low battery voltage.
Measure: If possible, connect to the mains
power when the UPS is in non-battery test
state.
Possible causes:
•
•
•
•
Measures:
•
•
•
•
13
The mains experiences instantaneous
high-voltage impact.
The output has special loads such as
inductive loads and rectification loads.
The output has transformer loads but
the transformer mode is not set.
The hardware is damaged.
After you rectify the fault, restart the
UPS.
Check whether the load type is
supported by the UPS.
Enable the transformer mode.
Contact Huawei technical support for
repair.