4-2 Start and stop procedures and basic operation
4 Check and start operation
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4
■ Operation after a power failure
If a power failure or input power supply error occurs, the operation automatically switches
to backup operation to continue the power output by using electrical power from the
battery.
（
: indicates blinking)
Backup operation is in progress due to power failure or input
power supply error.
ON Backup is operating due to power failure or AC input error.
Battery level is low, so output will stop soon.
OFF Battery is dead, so output stopped.
■ Operation when power is restored
● When power is restored during backup operation
When power is restored during backup operation, the output from input power supply
automatically starts again and the output operation continues. In addition, the battery
charging operation starts.
● When power is restored after the power supply output stops
If the power supply output stops due to empty battery, the unit automatically restarts and
resumes the power supply output when power is restored. And the battery charging
operation starts.
Reference
Using operation mode settings, you can set whether to automatically restart when
power is restored ("restart" is set by factory default).
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