Eaton 93E MK2 Installation And Operation Manual

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6.2.2 System EventsWhen the UPS system is running in Normal mode, it continually monitors itself and the incoming utility power. In Battery orBypass modes, the UPS may issue alarms to let you know exactly what event caused the change from Normal mode.System events on the UPS can be indicated by horns, lights, messages, or all three.Select the EVENTS symbol from the menu bar on the main menu screen to display the active events screen. This screenshows any currently active alarms, notices, or commands. This screen shows any currently active alarms, notices, orcommands. For more information on using the events screen, see paragraph 6.2.6.• System Event Horns – The system event horn beeps to alert an operator that an event needing attention is taking place.The horn cycles at 3 seconds.• System Event Indicators – The status indicators on the UPS control panel work with the event horn to let the operator knowwhen the UPS is operating in any mode other than normal. Only the Normal mode indicator is illuminated during normalUPS system operation. The other indicators illuminate to indicate alarms or events. When an alarm occurs, first check theseindicators to see what type of event has taken place. For descriptions of the status indicators, see paragraph 6.2.1.• System Event Messages – When a system event occurs, a message appears on the LCD in the UPS st atus area. Thismessage is also written to the Events Log and may be added to the History Log. The messages are divided into fourcategories: alarms, notices, status, and commands.51Eaton 93E MK2 UPS (10-40kVA, 380/400/415V) Installation and Operation