Annual Maintenance - Huawei UPS5000-S-600 kVA User Manual

UPS5000-S-600 kVA
User Manual (Singapore, Three-phase, Three-wire)

6.3 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 01 (2021-04-14)
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.
Copyright © Huawei Technologies Co., Ltd.
6 UPS Routine Maintenance
Troubleshooting
Tighten the screws.
● Replace the cables.
● Secure the output
terminals.
● Replace the circuit
breaker.
● Replace the cable.
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