UPS Maintenance
- Only trained personnel are allowed to perform maintenance tasks. Before performing operations on devices, wear ESD clothes, ESD gloves, and an ESD wrist strap. Remove conductive objects such as jewelry and watches to avoid electric shocks or burns.
- Use insulated tools when maintaining components inside all devices. Only trained personnel are allowed to perform maintenance.
- Maintain UPSs regularly based on the following requirements. Otherwise, the UPSs may fail to operate properly and the lifespan may be shortened.
- For details about how to upgrade the software version, visit https://support.huawei.com/carrier/docview!docview?nid=DOC1100726656&path=PBI1-7275736/PBI1-9855721/PBI1-251366627/PBI1-251617364/PBI1-7352438 to download the upgrade guide.
Item |
Expected Result |
Troubleshooting |
Maintenance Interval |
|---|---|---|---|
Operating environment |
|
|
Monthly |
Check the monitoring panel. |
According to the status icons on the LCD, all units are operating properly. No fault or alarm information is found in the active and historical alarm records. |
If an alarm is present, rectify the fault by checking the device status and parameters. |
Monthly |
Cleanliness |
When the device surface is wiped using white paper, the paper does not turn black. |
Remove the dust, especially from the front panel. |
Quarterly |
Parameter settings |
The settings of the output voltage level, frequency, and battery capacity meet requirements. |
Reset the parameters. |
Quarterly |
Power cables and terminals (between the UPS and external power distribution equipment) |
The insulation layers of cables are intact and terminals are free from noticeable sparks. |
|
Quarterly |
Battery self-check |
No battery alarm is generated. |
Identify the causes based on the alarm information. |
Yearly |