Operating Mode Description Display
Converter mode When the input
frequency is within the
allowed range, the UPS
sets the output
frequency to 50 Hz or 60
Hz and charges batteries.
Battery mode When the input voltage
is abnormal or an
outage occurs, the UPS
transfers to battery
mode, the buzzer beeps
once every 4 seconds,
and the UPS uses
batteries to supply
power.
Bypass mode When the UPS is
overloaded in normal
mode, it automatically
transfers to bypass mode
if the input voltage is
within the allowed
range.
When the bypass mode
is enabled, the UPS
automatically transfers
to bypass mode after
connecting to the mains.
When the UPS works in
bypass mode, the buzzer
beeps once every 10
seconds.
Standby mode When the UPS is
connected to the mains,
the inverter is not
started, and the bypass
mode is not enabled, the
UPS works in standby
mode, charges only
batteries, and provides
no output.
UPS2000-A-(1 kVA-3 kVA)
User Manual 5 Setting Control Panel
Issue 17 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd. 59
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