4.6.7.2 Then UPS will cut off power to output and there is no display shown on the display panel.
4.6.8 Mute the buzzer
4.6.8.1 To mute the buzzer, please press the button for at least 2s. If you press it again
after the buzzer is muted, the buzzer will beep again.
4.6.8.2 Some warning alarms can’t be muted unless the error is fixed.
4.6.9 Operation in warning status
4.6.9.1 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 fault code from LCD panel. Please check the trouble
shooting table in chapter 5 for details.
4.6.9.2 Some warning alarms can’t be muted unless the error is fixed.
4.6.10 Operation in Fault mode
4.6.10.1 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 trouble shooting
table in chapter 5 for details.
4.6.10.2 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. If the problems can’t be fixed, please
contact the distributor or support centre immediately.
4.6.10.3 For emergency case, please cut off the connection from utility, external battery and output
immediately to avoid more risk or danger.
4.7 UPS Setting
4.7.1 Output voltage setting
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