UPS5000-A-500 kVA
User Manual (e-shelter)
6 Routine Maintenance
Issue 02 (2020-01-10)
Copyright © Huawei Technologies Co., Ltd.
159
Check Item
Expected Result
Troubleshooting
and noticeable sparks.
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
specifications.
Replace the circuit
breaker.
Replace the cable.
To prevent system failures caused by the deterioration of some key UPS components, you are
advised to check the key components on a regular basis and replace them within the service
life.
lists the service life parameters for key components and recommended
replacement intervals.
Table 6-4
Service life parameters for replaceable components and recommended replacement
intervals
Key Component
Design Service Life
Recommended
Replacement Interval
Power unit
15 years
10 years
Bypass unit
15 years
10 years
Fan
15 years
10 years
LCD screen
10 years
8 years
6.2 Battery Maintenance
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 insulated 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.