Interpreting Beeps And Displays - Omron Powli BU75RW Instruction Manual

3
.Operation
3-3

Interpreting beeps and displays

1. Displays and beeps in normal operation
(1) When power switch is OFF
Power supply
Status
No. output
indicator
lamp
1
2
(2) When power switch is ON
3
4
2. Displays and beeps while testing
5
6
3. Displays and beeps during power failure or AC input error
(1) When power switch is ON
7
8
9
(2) When power switch is OFF
10
11
12
13
14
15
16
17
30
Bypass
Battery
operation
Beep Charging
replacement
lamp
lamp
None
None
None
None
None
Discharging
None
Discharging
Intermittent
4-second
Discharging
intervals
Intermittent
1-second
Discharging
intervals
None
Discharging
None
None
None
None
None
None
None
None
Description
No AC input.
OFF
Operation stopped.
There is AC input.
ON
Power switch is OFF.
Power switch is ON.
ON
Operating normally.
Battery charge is low, so
ON
the unit is waiting to start
up.
OFF
Self-diagnostic test in progress.
OFF
Auto battery test in progress.
In Battery Mode due to power
failure or AC input error.
OFF
Output will stop if Battery
Mode continues.
(Same as above.)
OFF
Battery level is low, so output
will soon stop.
Battery is dead,
OFF
so output stopped.
(This is displayed only for
a few seconds.)
AC input voltage and AC input
frequency are too high.
(ON)
AC input frequency is too
high.
(ON)
AC input voltage is too low
(ON) and AC input frequency is too
high.
AC input voltage is too high.
(ON)
AC input voltage is too low.
(ON)
AC input voltage is too high
and AC input frequency is too
(ON)
low.
AC input frequency is too low.
(ON)
AC input voltage and AC input
frequency are both too low.
(ON)
( indicates the display is OFF)
( indicates the display is ON)
( indicates blinking)
Solution
_ _
_ _
_ _
Continue charging the
battery. Output will start
when the battery is charged.
_ _
_ _
Perform shutdown operations
for the connected devices
and stop them.
(Same as above.)
Charge the battery.
Use within the AC input voltage/
frequency range described
in the specifications.
See Page 83