Check Item
Expected Result
Troubleshooting
Parameter
configuration
The configuration of the
output voltage grade,
frequency, number of
batteries, and battery capacity
meets requirements.
Reset the parameters.
Status record
Record the three-phase load
rate and output power factor.
If an exception occurs, check
the load status.
Shallow
discharge test
(recommende
d)
Conduct a shallow discharge
test when the UPS is backed
up to verify that the batteries
can discharge normally.
If an alarm is generated, refer
to the alarm list.
5.1.3 Annual Maintenance
Table 5-3 Annual Maintenance
Check Item
Expected Result
Troubleshooting
Grounding
Check that the ground
cables are connected
securely.
Tighten the screws.
Power cables and
terminals (between the
UPS and the power
distribution cabinet)
The insulation layers of
cables are intact and
terminals are free from
black marks and
noticeable sparks.
● Replace the cables.
● Secure all output
terminals.
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.
UPS5000-E-(30 kVA–120 kVA)-FM
User Manual
5 Routine Maintenance
Issue 03 (2022-01-30)
Copyright © Huawei Technologies Co., Ltd.
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