CAUTION! A battery can present a risk of electric shock and high short circuit current. The following
precaution should be observed before replacing batteries:
1) Remove watches, rings, or other metal objects.
2) Use tools with insulated handles.
3) Wear rubber gloves and boots.
4) Do not lay tools or metal parts on top of batteries.
5) Disconnect charging source prior to connecting or disconnecting batteries terminal.
5. Maintenance
Preventative Maintenance
Preventative Maintenance ensures the longer service life of UPS.
Please check the following things every month:
1. make sure the airway not blocked;
2. make sure that the UPS surface is not covered by dust;
3. Check whether the input, output and battery connecting lines are firm or not and the insulation is
effective or not;
4. Make sure that the UPS is not affected with damp;
5. Let the UPS work in battery mode for about 5 minutes and in this period, if there is no other alarm
from the UPS, then the UPS is normal; if there is other alarm message, please contact the local
dealer for help.
Battery maintenance
The UPS contains sealed lead-acid maintenance-free battery. The bad environment, high discharging
frequency, high temperature etc will dramatically reduce the service life of battery. The service life of
battery will also reduce even it is not used. It is suggested to discharge the battery once every 3 months
when AC is normal. When battery is near the end of its life, the battery will end in bad performance.
6. Trouble Shooting
Use the table below to solve minor problems.
The mains is normal, but the
UPS is in battery mode.
The fuse is placed on the UPS
back panel. After disconnecting
the AC plug, put out the fuse
and replace it with a new one.
When AC fails, the computer
doesn't work.
Please turn on the UPS and
charge the battery for at least
10 hours, when AC is normal
and then turn on the UPS.
When power fails, backup time
is shorten.
Remove some critical load.
Battery voltage is too low
Charge UPS at least 8 hours.
Battery defect. It might
due to high temperature
operation environment or
improper operation to
battery.
Replace the battery with the
same type.
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