Annual Maintenance - Huawei UPS5000-E-30 kVA User Manual

UPS5000-E-(30 kVA–180 kVA)
User Manual (Integrated UPS)
Check Item
Status record
Shallow
discharge test
(recommende
d)

6.1.3 Annual Maintenance

Table 6-3 Annual maintenance
Check Item
Grounding
Power cables and
terminals (between the
UPS and the power
distribution cabinet)
Cables and circuit
breaker through-current
capacity
Issue 02 (2022-12-30)
Expected Result
Record the three-phase load
rate and output power factor.
Conduct a shallow discharge
test when the UPS is backed
up to verify that the batteries
can discharge normally.
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Expected Result
Check that the ground
cables are connected
securely.
The insulation layer of
cables is intact and
terminals are free from
black marks and
noticeable sparks.
The circuit breakers and
cables meet load
requirements.
The actual cable
through-current capacity
is greater than the circuit
breaker specifications.
6 Routine Maintenance
Troubleshooting
If an exception occurs, check
the load status.
If an alarm is generated, refer
to the alarm list.
Troubleshooting
Tighten the screws.
● Replace the cables.
● Secure the output
terminals.
● Replace the circuit
breaker.
● Replace the cable.
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