During the power-on procedure, power o the battery cabinet immediately if any
fault is detected. Locate the cause and rectify the fault before proceeding with the
procedure.
Fully charge batteries (the SOC must reach 100%) when using them for the rst
time. Replace a battery only if it is faulty. If you do not perform operations as
required, the battery level may be inconsistent, resulting in a long charging time.
For example, it would take two weeks to fully charge the half-charge batteries
and full-charge batteries that are used together.
The capacity of each battery varies after long-term storage. Therefore, you are
advised to reserve at least three days for charging the batteries for the rst power-
on.
Context
Table 6-1 Status of indicators on the BCU
Status of Indicators on the BCU
Description
The green indicator blinks on for 0.25s and o
for 0.25s (at short intervals).
Status after the switch button is pressed.
The green indicator blinks on for 1s and o for
4s (intermittently).
The SmartLi circuit breaker cannot be switched
on, and the UPS cannot be cold started.
The green indicator blinks on for 0.1s and o
for 0.1s (at super short intervals), and the red
indicator is steady on.
The SmartLi circuit breaker can be switched on,
but the UPS cannot be cold started.
6.2.1 Initial Startup of a Single Cabinet
6.2.1.1 Communicating with the UPS
Step 1 Check that the UPS supports communication with SmartLi 3.0 and that a
communications cable is correctly connected between the UPS and the SmartLi.
Step 2 Press and hold the POWER ON/OFF button on the BCU of the SmartLi cabinet for
more than 2s. When the green indicator of the BCU blinks at short intervals,
release the POWER ON/OFF button.
SmartLi 3.0
User Manual (Short-Term Backup Power) 6 Power-On and Commissioning
Issue 10 (2024-01-31) Copyright © Huawei Digital Power Technologies Co., Ltd. 105
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