Santak Castle On-Line Series User Manual page 35

Turning On Without Mains (cold start)
● Press On/Off button continuously longer than 1 second, UPS will
turn on. System self-test will be carried out when UPS turn on.
● UPS turn to battery-mode after self-test. Both Online LED and
battery LED lighted. Load powered by battery.
● Buzzer beep once every 4 seconds to indicate user than UPS is
working on battery-mode. Buzzer can be muted when function button
pressed more than 2 seconds.
● 04 and 08 warning code will alternate displayed on the bottom right
corner of LCD, because of lack of main power.
- 28 -