Omron BU5002R Instruction Manual page 77

4.
Check if the status of the LCD display and buzzer is same as follows.
Icon
Buzzer sound
"Power output" receptacle
If the status is same
If the status is different → Operation is abnormal. Take an appropriate measure
Unplug the "AC input" plug of the UPS from the power outlet (commercial power
5.
supply).
Operation switches to the backup operation status.
6.
Check the status of the LCD display and buzzer while in the backup operation
status.
Is the status same as one of the following?
BU5002R/BU3002R/BU3002RH
→ Operation is normal. Proceed to the procedure (5).
according to "3-1-7 How to interpret icons, LED, and
buzzer sounds" (page 65) before proceeding to the
next step.
Icon Buzzer
Intermittent,
4 second
intervals
Intermittent,
1 second
intervals
None
3 Checking and starting the operation
3-2 Checking the operation
None
Electrical power is output (connected device
is being supplied with electricity)
Output
In backup mode due to a power
outage or an AC input fault.
ON
Output stops if backup
operation is continued.
In backup mode due to a power
outage or an AC input fault.
ON
The residual battery capacity is
low, so output will stop soon.
The residual capacity of the
battery has been depleted, so
OFF
output has stopped.
Description
3
77