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Operating mode/status
UPS Power On Description
When UPS is powered on, it will enter this mode for a few seconds as
initializing the CPU and system.
LCD display
No-output
mode
description
When bypass voltage/frequency is out of acceptable range or bypass is
disabled (or forbidden), UPS will enter no-output mode if powering on or
turning off the UPS. It means the UPS has no output. Alarm beeps every two
minutes.
LCD display
AC mode
Description
When the input voltage is within acceptable range, UPS will provide pure
and stable AC power to output. The UPS will also charge the battery in AC
mode.
LCD display
