Huawei UPS2000-G Series - Page 129

No. Symptom Possible Cause Measure
The UPS is
overloaded.
Shut down all loads, and
restart the UPS.
5 The mains indicator is
o.
The mains
voltage or
frequency
exceeds the
UPS input
range.
Use a multimeter to verify that
the input voltage and
frequency meet specications.
6 The battery discharge
time is obviously
shorter than the
standard time.
Batteries are
not fully
charged.
Charge batteries for more than
8 hours when the mains is
normal. Test the discharge
time again.
The battery
performance
deteriorates.
Contact local technical support
to replace batteries.
7 Abnormal noise or
smell is generated in
the UPS cabinet.
The UPS is
faulty.
Shut down the UPS and cut o
the power input immediately.
Contact local technical
support.
8 The battery indicator
blinks. The buzzer
buzzes for 1 second
and then stops for 1
second. The battery
reserve is
insucient.
The UPS is about to
shut down.
● The UPS will
soon shut
down due
to
insucient
battery
reserve, and
loads will be
powered
o.
● The number
of batteries
and battery
capacity are
incorrectly
set.
● Save load data immediately
and shut down primary
loads to avoid data loss or
damage.
● Connect the UPS input to
the backup AC power
supply immediately.
● Verify that the number of
batteries and battery
capacity are correctly set
based on the actual
conguration.
9 The user forgot the
password.
- ● If the user forgot only the
LCD password (the preset
password is 000001), use
the feature code (the preset
feature code is 999999) to
activate the LCD password.
● If the user forgot the LCD
password and feature code,
contact local technical
support.
UPS2000-G-(6 kVA-20 kVA)
User Manual 8 Troubleshooting
Issue 21 (2022-10-13) Copyright © Huawei Technologies Co., Ltd. 121