
INTegral Line-Interactive Uninterruptible Power Supply Unit
—650 VA
Power Innovations
17
5.2.2
—Utility Power Failing
Scenario
Possible Cause
Try
AC utility power fails. The battery
powers the load. Buzzer beeps
every four (4) seconds.
AC utility power failure.
Reducing the critical load to extend backup
time.
AC input may not be connected
correctly.
Checking the input rate.
Checking power connection
AC utility power fails. UPS is in
battery backup mode. Buzzer
beeps every second.
Battery power is approaching low
levels.
UPS will shut down automatically. Save data
or disconnect loads soon.
AC utility power fails. UPS has
shut down automatically.
Battery has run out.
UPS will restart when AC utility power is
restored.