3-7. Operating Mode/Status Description
Operating
mode/status
Description
LCD display
AC mode
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 at AC mode.
CVCF mode When input frequency is between 46Hz and
64Hz, the UPS can be set at a constant
output frequency, 50 Hz or 60 Hz. The UPS
will still charge battery under this mode.
Battery mode When the input voltage is beyond the
acceptable range or power failure, UPS will
backup power from battery and alarm will
beep every 4 seconds.
Battery Test When UPS is in AC mode or CVCF mode,
press “Test” key for more than 2 seconds.
Then, UPS will beep once and start “Battery
Test”. This operation is used to check the
battery status.
Bypass mode When input voltage is within acceptable
range and bypass is enabled, turn off the
UPS and it will enter Bypass mode. Alarm
beeps every two minutes.
Fault status When fault occurs in UPS, it will display fault
icon and fault code in LCD panel.
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