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monitoring software.
3) Users also can set battery self-test through monitoring software.
4) I f the UPS is at battery self-test, the LCD display and buzzer indication will be the same as at
Battery mode except that the battery LED is flashing.
3- 4- 7. Turn off the UPS w ith utility pow er supply in AC mode
1) Turn off the inverter of the UPS by pressing “ OFF” button for at least 0.5s, and then the buzzer will
beep once. The UPS will turn into Bypass mode.
NOTE 1:
I f the UPS has been set to enable the bypass output, it will bypass voltage from utility
power to output terminal even though you have turned off the UPS (inverter).
NOTE 2:
After turning off the UPS, please be aware that the UPS is working at Bypass mode and
there is risk of power loss for connected devices.
2) I n Bypass mode, output voltage of the UPS is still present. I n order to cut off the output, switch off
the input breaker. A few seconds later, there is no display shown on the display panel and UPS is
complete off.
3- 4- 8. Turn off the UPS w ithout utility pow er supply in Battery mode
1) Turn off the UPS by pressing “ OFF” button for at least 0.5s, and then the buzzer will beep once.
2) Then UPS will cut off power to output and there is no display shown on the display panel.
3- 4- 9. Mute the buzzer
1) To mute the buzzer, please press the “ Mute” button for at least 0.5s. I f you press it again after the
buzzer is muted, the buzzer will beep again.
2) Some warning alarms can’t be muted unless the error is f ixed. Please refer to section 3-3 for the
details.
3- 4- 10. Operation in w arning status
1) When Fault LED flashes and the buzzer beeps once every second, it means that there are some
problems for UPS operation. Users can get the warning code from LCD panel. Please check the 3-11
warning code table and the trouble shooting table in chapter 4 for details.
2) Some warning alarms can’t be muted unless the error is f ixed. Please refer to section 3-3 for the
details.
3- 4- 11. Operation in Fault mode
1) When Fault LED illuminates and the buzzer beeps continuously, it means that there is a fatal error in
the UPS. Users can get the fault code from display panel. Please check the 3-9 fault code table
and the trouble shooting table in chapter 4 for details.
2) Please check the loads, wiring, ventilation, utility, battery and so on after the fault occurs. Don’t try
to turn on the UPS again before solving the problems. I f the problems can’t be f ixed, please contact
the distributor or service people immediately.
3) For emergency case, please cut off the connection from utility, external battery, and output
immediately to avoid more risk or danger.
3- 4- 12. Operation of changing battery numbers
1) This operation is only available for professional or qualif ied technicians.
2) Turn off the UPS. I f the load couldn’t be cut off, you should remove the cover of maintenance
