It is recommended to check the UPS functions once every half year.
Backup the load data before conducting the UPS functions check. Procedures are as follows:
1. Press the OFF button to check if the buzzer beeps, indicators are on and the LCD display is normal.
2. Press the ALARM CLEAR button to check again if the indicators are on, the LCD display is normal and the UPS
has been transfered to the inverter mode.
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