7.2.3 Annual Maintenance
Table 7-6 Annual maintenance checklist
Item Expected Result Troubleshooting Maintenance
Interval
Capacity
test
(recomme
nded)
When the UPS is
backed up,
discharge a battery
to the undervoltage
alarm threshold to
refresh the capacity
of the battery.
1. Locate the fault cause.
2. If the fault persists,
contact technical
support.
Annually
Battery
connectio
n
1. When battery
strings are
powered o,
check the
reliability of each
connection point
from positive
terminals to
negative
terminals. All
points must be
connected
reliably.
2. Use a torque
wrench to check
the tightening
torque for each
battery screw.
The torque must
meet the
requirements of
the battery
manufacturer.
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 technical
support.
Annually
7.3 Lead-Acid Battery Test
UPS2000-H-(6 kVA-10 kVA)
User Manual 7 Maintenance
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