ON-LINE 3P/3P
PH 9273 - PH 9293 .
7. Turn off the UPS with utility power supply in AC mode
1) Screen 1.1-1.
NOTE 1: If the UPS has been set to bypass output, it will bypass voltage from the
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) In Bypass mode, output voltage of the UPS is still present. In order to cut off the
output, switch off the line input breaker(for dual input unit, also switch off the bypass line
breaker). A few seconds later, there is no display shown on the display panel and UPS
is complete off.
8. Turn off the UPS without utility power supply in Battery mode
1) Refer to Screens 1.1-1.
2) Then UPS will cut off power to output and there is no display shown on the display
panel.
9. Mute the buzzer
1) Refer to
Screen 1.1-3.
2) Some warning alarms can
‟
t be muted unless the error is fixed. Please refer to
section 3-3 for the details.
10. Operation in warning 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 indicator
from LCD panel. Please check the troubleshooting table in chapter 4 for details.
2) Some warning alarms can't be muted unless the error is fixed. Please refer to
section 3.2 for the details.
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 troubleshooting 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. If the
problems can
‟
t be fixed, 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.
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