4-3 Interpreting beeps and displays
4 Check and start operation
S8BA-24D24D
□□□
LF
59
4
No.
Status
indicator
UPS
output
Beep
Charge/
Dischar
ge
“
Power”
switch
Input
power
supply
Description
Procedures
8
ON
Intermitte
nt, at 2s
intervals
Charge
ON
ON
Battery deterioration
detected by
self-diagnosis test.
(Displayed during
normal operation
only)
Replace the battery.
Get an optional
replacement battery,
and you can replace the
battery on your own
(see 5-2 Replacing the
battery).
9
ON
Intermitte
nt, at 2s
intervals
Charge
ON
ON
Battery life counter
counted up to limit
(Displayed during
normal operation
only)
10
ON
---
---
ON
／
OFF
ON
Battery replacement
mode activated.
Replace the battery.
(See 5-2 Replacing the
battery).
11
ON
Intermitte
nt, at 4s
intervals
Discharge
ON
OFF/
NG
Backup operation due
to power failure or DC
input error. Output
stops if backup
operation is
continued.
Process the termination
of the connected
devices you are using,
and then stop the
devices.
12
ON
Intermitte
nt, at 1s
intervals
Discharge
ON
OFF/
NG
(Same as above)
Output stops soon
Battery level low.
13
ON
OFF
---
ON
OFF/
NG
Output stopped due
to low battery
(displayed for a few
seconds only).
Charge the battery.
14
ON
OFF
---
ON
ON
Ambient temperature
55°C or higher or 0°C
or lower detected,
and battery charging
operation stopped.
(Displayed during
normal operation
only)
Set the ambient
temperature within the
range from 0°C to 55°C.
15
ON
OFF
Charge
ON
ON
UPS main body's life
counter counted up to
limit (displayed during
normal operation
only).
Replace the UPS.
16
ON
Intermitte
nt, at 0.5s
intervals
Charge/
Discharge
ON
ON/
OFF
Overcurrent (110% or
higher) detected
because connections
exceeded capacity
limit.
Reduce connected
devices until the display
condition becomes as
shown in No.6.
indicates blinking
indicates the display is ON
indicates the display is OFF
