3 Operation of the Uninterruptible Power Supply (UPS)
3-2Beep sound - How to see the display
BW40T/BW55T/BW100T/BW120T
27
3
3-2 Beep sound - How to see the display
○: Lighted ●: Extinguished : Blinking
No. Status display
Status
Display
Icon
Buzzer Output Charge
Description
Solution
1
None
None
OFF
OFF No AC input
Operation halted
2
None
None
OFF
ON
AC input
"Power" button "off"
3
*1
None
ON
ON
"Power" button [on]
Normally operating
4
None
ON
OFF
Dischar
ging
In the self-diagnosis test
5
*2
Intermitt
ent, at
4s
intervals
ON
OFF
Dischar
ging
Backup operation due to
power failure or AC input error.
Output stops if backup
operation is continued.
Process the termination of the
connected devices you are using,
and then stop the devices.
6
Intermitt
ent, at
1s
intervals
ON
OFF
Dischar
ging
(Same as above)
Output stops soon due to low
battery level.
Process the termination of the
connected devices you are using,
and then stop the devices.
7
None
None
OFF
OFF
Dischar
ging
Output stopped due to low
battery.
Charge the battery.
8
None
None
OFF
(ON)
AC input error (over)
When the voltage is high: The
left digit only blinks
When the frequency is high:
The right digit only blinks
When both voltage and
frequency are high: Both blink Use in the AC input voltage range
and frequency described in the
specification.
9
None
None
OFF
(ON)
AC input error (under)
When the voltage is low: The
left digit only blinks
When the frequency is low:
The right digit only blinks
When both voltage and
frequency are low: Both blink
10
Continu
ation
0.5
second
Interval
ON
ON
Or,
Dischar
ging
Too many devices are
connected. The capacity rating
has been exceeded.
Output stops if the state
continues for a certain duration
Reduce the connected devices.
11
Success
ive
OFF
ON
Or,
Dischar
ging
Output stops due to exceeded
connection capacity
Turn OFF all the power switches on
the UPS and connected devices,
reduce the connected devices, and
then turn ON the "Power" button on
the UPS and connected devices.
12
Success
ive
OFF
ON
Or,
Dischar
ging
Output has stopped due to the
short circuit
Check that the AC input of any of
the connected devices is not short-
circuited and that connections did
not exceed the rated capacity.
13
Success
ive
ON
－
Abnormal operation or failure
has occurred
Turn OFF all the power switches on
the UPS and connected devices,
and turn ON only the "Power"
button on the UPS again. If the
displayed detail does not change,
ask for the repair as a problem is
suspected with the UPS. The
changes in the display content may
be due to the combination of
connected equipment. Contact
Electronic Equipment Customer
Support Center for any doubts.
14
Success
ive
OFF
-
Stopped due to the abnormal
output voltage (over)
15
Success
ive
OFF
-
Stopped due to the abnormal
output voltage (under)
16
ON
OFF
-
Charge stopped due to
abnormal charging voltage of
the battery (over)
Ask for the repair as a problem is
suspected with the UPS.
17
ON
OFF
-
Charge stopped due to
abnormal charging voltage of
the battery (under)
