UPS5000-E-(50 kVA-300 kVA)
User Manual (50 kVA Power Modules)
5 Operations
Issue 02 (2017-02-25)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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5.9 Performing EPO
After the EPO button is turned on, the UPS supplies no power and the loads shut down.
In maintenance bypass mode, the UPS continues to supply power even after the EPO
button is turned on.
Press the EPO button connected to the dry contact card on the UPS or remove the 4-pin
terminal from the EPO port on the dry contact card.
Figure 5-39
EPO ports
Figure 5-40
EPO alarm displayed on the LCD