
UPS2000-G-(3 kVA-20 kVA)-V2
User Manual (Two Live Wires)
7 Routine Maintenance
Issue 07 (2019-12-19)
Copyright © Huawei Technologies Co., Ltd.
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Wrap tools with insulation tape to prevent electric shock.
Protect your eyes with relevant devices and apply other protective measures.
Wear rubber gloves and a protective coat in case of electrolyte overflow.
When moving batteries, avoid handling the battery upside down, handle batteries gently,
and pay attention to personal safety.
Keep the battery switch off when installing or maintaining the batteries.
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 to ensure a required battery capacity.
Only professionals are allowed to perform maintenance tasks.
If batteries have not been discharged for a long time, discharge and charge them in
equalized mode at least once every three months to activate them. Each charge should
last at least 4 hours.
Normally, discharge and charge batteries once every four to six months. Each charge
should last at least 4 hours.
In high-temperature areas, discharge and charge batteries once every two months. Each
charge should last at least 4 hours.
Do not overdischarge batteries. After discharging batteries, fully charge them within 24
hours.
Ensure that the battery discharge duration is 24 hours at most and 16 hours by default. If
you set the value to 0 hour, the discharge time is not limited.
Routine maintenance items for batteries
Table 7-2
Routine maintenance items for batteries
Item
Expected Result
Measures
Maintenance Interval
Battery alarm
No battery alarm is
generated.
Identify the cause based on
the alarm information.
Monthly
Battery
appearance
1.
The surface is clean
and tidy without
stains.
2.
The battery terminals
are intact.
3.
Batteries are free
from damage and
cracks.
4.
Batteries are free
from acid leakage.
5.
Batteries are not
deformed or bulged.
If the battery appearance is
abnormal, contact Huawei
technical support.
Monthly