Huawei UPS2000 Series User Manual page 34

UPS2000-G1-(1 kVA–3 kVA)
User Manual
Symptom
bypass.
The UPS fails to
supply power to
loads during the
AC input outage.
The AC input to
the UPS is present,
but the buzzer
beeps
intermittently.
All indicators on
the front panel are
off.
The UPS input is
normal, but the
LINE indicator is
flashing.
Issue 05 (2013-07-17)
Possible Cause
The UPS is faulty.
Batteries are faulty.
The battery charger fails to charge
batteries in normal mode.
Battery cables are not properly
connected, or wiring terminals are not in
good contact.
The AC input voltage or frequency is
beyond the UPS input voltage range, or
the AC input frequency is not normal.
The AC input fuse is faulty.
Cables to the front panel are not properly
connected.
There is no input voltage.
The UPS is faulty.
The live wire and neutral wire are
reversely connected.
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6 Troubleshooting
Measures
Contact the local Huawei
office.
Replace batteries.
Contact the local Huawei
office.
Connect battery cables
properly.
Contact the local electric
power company.
Replace the AC input
fuse.
Reconnect cables to the
front panel.
Check the input voltage
and battery voltage. If
both values are normal,
contact the local Huawei
office.
Contact the local Huawei
office.
Connect the live wire and
neutral wire correctly.
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