22
3
. Operation
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17
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18
——
(Note 3)
——
(Note 3)
Moved to bypass operation due
to output voltage error (under)
(Note 1).
Moved to Battery Mode due to
battery charge voltage error (over).
Output will stop when the battery is dead.
(Same as above.)
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19
(Same as above.)
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20
(Same as above.)
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21
(Same as above.)
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22
(Same as above.)
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23
(Same as above.)
Output stopped because the
output of the battery charge
voltage short-circuited.
Moved to bypass operation due
to problem with the internal
temperature (Note 1).
Moved to bypass operation due
to bypass bus voltage error
(Note 1).
Moved to bypass operation due
to problem with the internal
cooling fan
(BU150SW only) (Note 1).
(1) Output stopped due to
system
error.
(2) Other error occurred.
Continuous
Continuous
Continuous
Continuous
Continuous
Continuous
Continuous
Note 1: In bypass operation, commercial power is output directl
y. Output stops when a power failure (AC input OFF)
occurs in bypass operation.
Note 2: Fan replacement performed by the user does not comply w
ith UL standards.
Note 3: The displays and operations vary according to the stat
us.
No.
Status
indicator
Power supply
output
lamp
Beep
Charging
Description
Solution
Bypass
operation
lamp
Battery
replacement
lamp
Displays the details of the error that
occurred only while pressing the beep
stop switch while in state No. 15.
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4. Displays and beeps when there is an equipment failure (Continued)
( indicates blinking)
( indicates the display is ON)
( indicates the display is OFF)
5. Display and beep for battery replacement
24
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○
The battery test detected
a weak battery
(warning only, output continues).
Replace the battery.
You can replace the weak battery
with a separately purchased
replacement battery as needed.
Intermittent
2-second
intervals
ON
6. UPS operation mode setting display
25
26
27
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28
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29
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30
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Cold start ON setting.
This unit can start even when
there is no AC input.
Output 100V mode.
Output voltage is 100V
(effective value).
Output 110V mode.
Output voltage is 110V
(effective value).
Output 115V mode.
Output voltage is 115V
(effective value).
Output 120V mode.
Output voltage is 120V
(effective value).
Cold start OFF setting.
This unit can start up only
when there is AC input.
No.
Status
indicator
Power supply
output
lamp
Beep
Charging
Description
Solution
Bypass
operation
lamp
Battery
replacement
lamp