
Check Item
Expected Result
Troubleshooting
Maintenance
Interval
Power cables and
terminals
(between the UPS
and the PDF).
The insulation
layers of cables
are intact and
terminals are free
from signs of
sparks.
● Replace cables.
● Secure all
output
terminals.
Quarterly
Grounding
Ground cables are
connected
securely.
Tighten the
screws.
Yearly
EPO (if
configured)
The EPO signal
cable is connected
reliably.
Secure all wiring
terminals.
Yearly
Through-current
capacity of cables
and circuit
breakers
The circuit
breakers and
cables meet load
requirements.
The actual cable
through-current
capacity is greater
than the circuit
breaker
specifications.
● Replace the
circuit
breakers.
● Replace the
cables.
Yearly
7.2 Battery Maintenance
NO TICE
Before installing batteries, read through the battery user manuals and pay
attention to safety precautions and connection methods provided by battery
manufacture.
When installing and maintaining batteries, pay attention to the following points:
● 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.
UPS2000-G- (6 kVA-20 kVA)
User Manual
7 Routine Maintenance
Issue 18 (2021-07-16)
Copyright © Huawei Technologies Co., Ltd.
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