● After you press the EPO button, the UPS supplies no power, and the loads
powers o.
● If the UPS is in maintenance bypass mode, the UPS still supplies power after
you press the EPO button.
Procedure
Step 1 Press the EPO buttons connected to the dry contact cards on all UPSs one by one
or press the general EPO button. All UPSs enter the EPO state.
----End
9.6 Clearing the EPO State
Procedure
Step 1 Turn o the EPO switch.
Step 2 Clear the EPO alarm.
● LCD
On the main menu screen, choose Alarms > Clear Faults. In the displayed
dialog box, press
to clear the EPO alarm.
● WebUI
On the WebUI, choose Monitoring > UPS System > Running Control and
click Clear Fault. The EPO alarm is cleared.
Step 3 View active alarms and ensure that the EPO alarm is cleared. If the input of the
system bypass is normal, the UPS switches to the bypass mode.
● LCD
On the main menu screen, choose Alarms > Active Alarms to check that the
EPO alarm has been cleared.
● WebUI
On the WebUI, choose Home > Active Alarm to check that the EPO alarm
has been cleared.
Step 4 Start the inverter.
----End
UPS5000-A-(30 kVA-120 kVA)
User Manual 9 FAQ
Issue 17 (2024-02-21) Copyright © Huawei Digital Power Technologies Co., Ltd. 163
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