Maintenance and storage, Troubleshooting, Specifications – OPTI-UPS DS200KC33II User Manual
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6. Maintenance and Storage
(1) Clean the UPS placement chamber and the UPS itself from dust every 6 months.
(2) Recharge and discharge batteries every 3 months to maintain their lifetime.
(3) Pay attention to the temperature and humidity of the chamber.
(4) When storing a UPS, disconnect all cables (take out the fuses or batteries for battery-inbuilt models)
and wrap the UPS with PE coating.
(5) If after restarting the UPS that has been returned to operation from storage, the time or date is
incorrect on the HMI display panel, change the Lithium battery.
7. Troubleshooting
Deal with issues relying on events, messages or indications of icons or pop-up windows on the HMI display
panel shown as below. Contact technicians or professionals to assist in solving issues.