Huawei UPS5000-H Series - Annual Maintenance

8.2.4 Annual Maintenance
Table 8-6 Annual maintenance
Item Expected Result Troubleshooting
Capacity Test When the UPS is backed up,
discharge a battery to the
undervoltage alarm threshold,
to refresh the capacity of the
battery.
1. Locate the cause when an
exception is identied.
2. If the fault persists, contact
Huawei technical support.
Battery
connection
reliability
1. Each battery terminal is
connected reliably. (When
battery strings are
powered o, check the
reliability of each terminal
in the order from positive
terminals to negative
terminals.)
2. The tightening torque of
each battery screw meets
the requirements of the
battery manufacturer. (A
torque wrench is used for
checking the torque. After
checking that the battery
screws meet the
requirements, mark the
screws for later check.)
1. Rectify any abnormal
connection.
2. If the fault persists, contact
Huawei technical support.
UPS5000-H-(400 kVA-600 kVA)
User Manual (100 kVA Power Module) 8 Routine Maintenance
Issue 01 (2020-11-30) Copyright © Huawei Technologies Co., Ltd. 94