4 Replacing the battery
4-2 Replacing the battery
4-2 Replacing the battery
The battery can be replaced while the unit is stopped (power supply output stopped).
Refer to the below-shown reference data “life of the battery” for the details about the life of
the battery.
Caution
(for battery replacement)
Risk of explosion if battery is replaced by an incorrect type.
When replacing batteries replace with the same type and
number of batteries or battery packs.
Notes
● Be sure to reset the battery life counter after replacing the battery.
Press and hold the “Buzzer Pause/Test” switch of the UPS for 10 seconds or
longer to reset the battery life counter. Resetting is complete when “bJ” is
displayed.
* Perform a reset with the “AC input” ON.
・ Stopping (“Power” switch OFF): When the beeper becomes a sustained beep,
release the switch.
・ In Commercial Power Mode (“Power” switch ON): When the beeper changes from
intermittent beeps to a sustained beep, release the switch.
If you do not reset the battery life counter, a battery deterioration alarm may occur
faster than the expected battery life.
● When the unit is used in compliance with UL standards or CE marking, battery
replacement should be performed or supervised by personnel familiar with the
danger of batteries and the required precautions.
● If an input power supply error such as a power failure occurs when replacing the
battery while in operation, backup cannot be performed and output stops.
●
Do not replace the battery while the UPS is operating in backup mode. Output will
stop.
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