Performing Epo; Clearing The Epo State - Huawei UPS5000-S Series User Manual

UPS5000-S-(50 kVA-300 kVA)
User Manual
Step 2 Start UPS inverters.
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5.9 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 5-24 EPO ports
After you press the EPO button, the EPO and No power supplied alarms are
displayed on the LCD.

5.10 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.
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Issue 11 (2020-12-07)
NO TE
If the stopper or barrier of the maintenance bypass switch is configured, reinstall the
stopper or barrier on the maintenance bypass switch.
NO TICE
shut down.
the EPO button is turned on.
On the LCD
On the LCD, choose System Info > Alarms and tap Clear Faults. In the
displayed dialog box, tap Yes. The EPO alarm is cleared successfully.
On the WebUI
Choose Monitoring > UPS system > Running Control > Issued Order and
click Clear Fault. The EPO alarm is cleared successfully.
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