UPS2000-A-(6 kVA-10 kVA)-RTL
User Manual
7 Routine Maintenance
Issue 07 (2020-01-10)
Copyright © Huawei Technologies Co., Ltd.
73
7.2.1 Precautions
Before battery maintenance, get the tools, such as handles, insulated. Do not place metal
tools on exposed battery terminals.
Never use any organic solvent to clean batteries.
Never try to remove the safety valve or fill anything into batteries.
Never smoke or use fire around batteries.
After battery discharge, charge batteries within 24 hours to ensure a required battery
capacity.
Only professionals are allowed to perform maintenance tasks.
7.2.2 Monthly Maintenance
Table 7-4
Monthly maintenance tasks
Item
Expected Result
Measures
Battery alarm
No battery alarm is
generated.
Identify the cause based on the alarm
information.
Battery
appearance
1.
The battery shell is
intact, without acid
leaks, deformation,
or bulges.
2.
The battery is free
from dust or dirt.
1.
Take photos of any deformed or faulty
parts of batteries.
2.
Check and record the charge voltage and
current of the battery string as well as the
voltage of each battery.
3.
Check the battery surface temperature.
4.
Keep deformed and bulged faulty batteries
still for 30 minutes and then check and
record open-circuit voltage of the faulty
battery.
5.
If the fault persists, contact Huawei
technical support.
Battery
operating
temperature
1.
The service
temperature of a
working battery
does not exceed
45º
C.
2.
The battery ambient
temperature is
25±5°C.
1.
Identify the cause of the abnormal battery
operating temperature.
2.
If the fault persists, contact Huawei
technical support.
7.2.3 Quarterly Maintenance
Table 7-5
Quarterly maintenance tasks
Item
Expected Result
Measures
Battery alarm
No battery alarm is
generated.
Identify the cause based on the alarm
information.