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Symmetra PX 250/500: What happens when EPO is activated?

Issue:

Symmetra PX 250/500; What does the EPO (Emergency Power Off) trip

Product line:

Symmetra PX 250/500

Environment:

All serial numbers

Cause:

What occurs when the EPO on a Symmetra PX 250/500 button is engaged?

Resolution:

When the EPO is activated, UPS output breaker Q2 and the battery breakers are tripped. The Power Modules (inverter), and if in Static Bypass operation, the UPS will turn off.