Huawei UPS5000-E-30 kVA - Annual Maintenance

Check Item Expected Result Troubleshooting
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.
6.1.3 Annual Maintenance
Table 6-3 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 layer of
cables is intact and
terminals are free from
black marks and
noticeable sparks.
● Replace the cables.
● Secure the output
terminals.
Cables and circuit
breaker through-current
capacity
The circuit breakers and
cables meet load
requirements.
The actual cable
through-current capacity
is greater than the circuit
breaker
specications.
● Replace the circuit
breaker.
● Replace the cable.
UPS5000-E-(30 kVA–180 kVA)
User Manual (Integrated UPS) 6 Routine Maintenance
Issue 02 (2022-12-30) Copyright © Huawei Digital Power Technologies Co., Ltd. 148