Performing Epo; Clearing The Epo State - Huawei UPS5000-A User Manual

UPS5000-A-(400 kVA-600 kVA)
User Manual (60 kVA, PF=0.9)

4.9 Performing EPO

● After the EPO button is turned on, the UPS supplies no power and the loads
● In maintenance bypass mode, the UPS continues to supply power even after
Press the external EPO switch that connects to the dry contact card or remove the
4-pin terminal on the EPO port of the dry contact card.
Figure 4-14 EPO ports
After you press the EPO button, the EPO and No power supplied alarms are
displayed on the LCD.

4.10 Clearing the EPO State

Procedure
Step 1 Clear the EPO state. Ensure that the EPO button connected to the dry contact is
not in the EPO state.
Step 2 Clear the EPO alarm in the system.
●
●
●
Step 3 View active alarms and check that the EPO alarm is cleared. If the system bypass
input is normal, the UPS transfers to bypass mode.
Issue 06 (2022-01-27)
NO TICE
shut down.
the EPO button is turned on.
On the LCD
Choose System Info > Alarms and tap Clear Faults. In the displayed dialog
box, tap Yes to clear the EPO alarm.
On the WebUI
Choose Monitoring > UPS System > Running Control and click Clear Fault.
The EPO alarm is cleared.
On the old WebUI
Choose Monitoring > Control > System Commands and Tests and click
Clear Faults. The EPO alarm is cleared.
Copyright © Huawei Technologies Co., Ltd.
4 Operations
101