4.4 Operating Modes
NO TICE
● Standby mode: The UPS is not started, but it can charge batteries when there is
no AC output.
● Fault mode: If a critical alarm is generated due to an internal circuit fault or an
external cause such as overtemperature or output short-circuit, the UPS enters
the fault mode.
Table 4-7 Operating mode description
Operating
Mode
Description
Display
Standby
mode
The UPS does not
supply power, but it
can still charge
batteries.
Charging batteries with mains power
Not charging batteries
Bypass mode The UPS supplies
mains power. The
mains power can be
used to charge
batteries.
Charging batteries with mains power
UPS2000-G-3KRTLL
User Manual
4 Control Panel
Issue 01 (2020-10-26)
Copyright © Huawei Technologies Co., Ltd.
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