Eaton DX 1000 LAN, Manual, Page: 36 / 75

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5.2 Battery Maintenance
1) The battery used for standard models are valve regulated
sealed lead-acid maintenance free battery. It should be
charged regularly in order to maximize the expected life of the
battery. When being connected to the utility power, whether the
UPS is turned on or not, the UPS keeps charging the batteries
and also offers the protective function of overcharging and
over-discharging.
2) The UPS should be charged once every 4 to 6 months if it has
not been used for a long time.
3) In the regions of hot climates, the battery should be charged/
discharged every 2 months. The charging time should be >12
hours.
4) In normal conditions, the battery life lasts 3 to 5 years. If the
battery is found in bad condition, earlier replacement should be
made.
5) Do not replace the battery individually. All batteries should be
replaced at the same time following the instructions of the
supplier.
5.3 Contact the service center
If contact the service center for trouble shooting, please provide the
information as following:
1) Model name of product.
2) Serial number of product.
3) The date when the problem found.
4) LCD display status.
5) Buzzer alarm status.
6) Mains power condition
7) Load type and capacity.
8) Environment temperature, ventilation status.
9) The information (battery capacity, quantity) of the external
battery pack if the UPS is long back up model.
10) Other information for complete description of the problem.