Only use the EPO button in case of emergency.
It can be configured whether, when the EPO button is pressed, the UPS should:
turn off the rectifier, inverter, charger, and static bypass and stop supplying the load immediately, or
transfer to static bypass mode and keep supplying the load.
hazard of electric shock, explosion, or arc flash
The UPS control circuit will remain active after the EPO has been pushed if mains is available.
Failure to follow these instructions will result in death or serious injury.