PowerWalker VFI 1000 LE - Manual (Page 23)

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3.9 Turn off the UPS with battery (DC) only
1) To turn off the UPS in battery mode, please press the button
continuously for more than 2 seconds.
2) After you press the button, the buzzer will beep once. All the LEDs will be
lightened, and then black out one by one. Finally all the LEDs will be
lightened to indicate the UPS is saving data to the memory. After the
saving process, the UPS will be shutdown completely.
Note: please make sure all the loads are prepared or turned off for your
operation before you shutdown the UPS system.
3.10 Mute the buzzer
1) To mute the buzzer, please short-press the button. If you short-press it
again after the buzzer muted, the beep will be returned.
2) It is not anytime the buzzer can be muted. If it is in warning/battery-
low/overload, the buzzer can’t be muted unless the trouble is solved.
3) If it is in fault mode, short-press the button could transfer the continuous
beep to once-every-second.
3.11 Operation in warning status
1) In case the Fault/Warning LED is flashing and the buzzer is beeping
once every second, it shows that the UPS system have some troubles,
please check the troubleshooting table in chapter 4 to find out what
happen to the UPS.
2) If the warning happens, the UPS will continue work in the original mode,
the operation will not be interrupted. If the error is corrected, the warning
alarm will stop.