Performing Epo; Clearing The Epo State - Huawei UPS5000-E-400K-SMS User Manual

UPS5000-E-(400 kVA-600 kVA)
User Manual (60 kVA Power Modules)
Before you transfer the UPS from maintenance bypass mode to normal mode,
ensure that the bypass input and output are normal.
Procedure
Step 1 Turn off the maintenance bypass switch.
Step 2 Start the inverter.
----End

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 4-15 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.
Issue 07 (2022-06-20)
NO TICE
NO TE
The Maint. breaker closed alarm disappears from the MDU.
NO TICE
shut down.
the EPO button is turned on.
Copyright © Huawei Digital Power Technologies Co., Ltd.
4 Operations
115