Troubleshooting - Huawei UPS2000-G-2KRTL User Manual

UPS2000-G-(1 kVA-3 kVA)
User Manual
When the UPS works abnormally, rectify the fault by referring to the following table.
Table 8-1 Faults and troubleshooting measures
Symptom
The main power is normal,
but no indicator turns on and
the buzzer generates no
tone.
LCD and the buzzer beeps
once every second.
LCD and the buzzer beeps
twice every second.
The battery backup time is
shorter than the time given
in specifications.
Issue 08 (2017-08-04)
and blink on the
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Troubleshooting

Possible Cause
The mains input power
cable is disconnected.
The mains input power
cable is incorrectly
connected to the UPS output
end.
The external or internal
batteries are incorrectly
connected.
The UPS is overloaded.
The UPS is overloaded and
supplying power to devices
in bypass mode.
The UPS is overloaded
server times within a short
period of time. The UPS is
locked in bypass mode and
loads are directly connected
to the main power source.
Batteries are not fully
charged.
8 Troubleshooting
Measures
Check the input power
cable.
Correctly connect the mains
input power cable to the
UPS input terminal.
Check that all batteries are
connected correctly.
Remove surplus load from
the UPS output end.
Remove surplus load from
the UPS output end.
Remove surplus load from
the UPS output end, and
then shut down and restart
the UPS.
Charge batteries for at least
5 hours and then check the
battery capacity. If the
battery capacity is still
insufficient, contact the
dealer or Huawei technical
support.
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